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67899000877 is a prime number
BaseRepresentation
bin111111001111000110…
…001000100000101101
320111020222221121220021
4333033012020200231
52103024121012002
651105315122141
74622412661531
oct771706104055
9214228847807
1067899000877
1126883241364
12111ab2a3351
136531099ac6
143401989bc1
151b75e4c737
hexfcf18882d

67899000877 has 2 divisors, whose sum is σ = 67899000878. Its totient is φ = 67899000876.

The previous prime is 67899000797. The next prime is 67899000887. The reversal of 67899000877 is 77800099876.

67899000877 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49235615881 + 18663384996 = 221891^2 + 136614^2 .

It is a cyclic number.

It is not a de Polignac number, because 67899000877 - 211 = 67898998829 is a prime.

It is a super-2 number, since 2×678990008772 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67899000887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33949500438 + 33949500439.

It is an arithmetic number, because the mean of its divisors is an integer number (33949500439).

Almost surely, 267899000877 is an apocalyptic number.

It is an amenable number.

67899000877 is a deficient number, since it is larger than the sum of its proper divisors (1).

67899000877 is an equidigital number, since it uses as much as digits as its factorization.

67899000877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10668672, while the sum is 61.

The spelling of 67899000877 in words is "sixty-seven billion, eight hundred ninety-nine million, eight hundred seventy-seven", and thus it is an aban number.