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88080440857 is a prime number
BaseRepresentation
bin101001000001000000…
…0001101111000011001
322102100110220000000021
41102002000031320121
52420342043101412
6104244045310441
76235500252133
oct1220200157031
9272313800007
1088080440857
113439a126982
12150a1b65421
1383c9230b76
144397dc2053
152457aa8607
hex148200de19

88080440857 has 2 divisors, whose sum is σ = 88080440858. Its totient is φ = 88080440856.

The previous prime is 88080440807. The next prime is 88080440891. The reversal of 88080440857 is 75804408088.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55138553856 + 32941887001 = 234816^2 + 181499^2 .

It is a cyclic number.

It is not a de Polignac number, because 88080440857 - 235 = 53720702489 is a prime.

It is a super-3 number, since 3×880804408573 (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (88080440807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44040220428 + 44040220429.

It is an arithmetic number, because the mean of its divisors is an integer number (44040220429).

Almost surely, 288080440857 is an apocalyptic number.

It is an amenable number.

88080440857 is a deficient number, since it is larger than the sum of its proper divisors (1).

88080440857 is an equidigital number, since it uses as much as digits as its factorization.

88080440857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2293760, while the sum is 52.

The spelling of 88080440857 in words is "eighty-eight billion, eighty million, four hundred forty thousand, eight hundred fifty-seven".