67899000797 has 2 divisors, whose sum is σ = 67899000798. Its totient is φ = 67899000796.

The previous prime is 67899000779. The next prime is 67899000877. The reversal of 67899000797 is 79700099876.

It is a happy number.

Together with previous prime (67899000779) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47619531961 + 20279468836 = 218219^2 + 142406^2 .

It is a cyclic number.

It is not a de Polignac number, because 67899000797 - 2⁶ = 67899000733 is a prime.

It is a super-2 number, since 2×67899000797² (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 (67899006797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33949500398 + 33949500399.

It is an arithmetic number, because the mean of its divisors is an integer number (33949500399).

Almost surely, 2^67899000797 is an apocalyptic number.

It is an amenable number.

67899000797 is a deficient number, since it is larger than the sum of its proper divisors (1).

67899000797 is an equidigital number, since it uses as much as digits as its factorization.

67899000797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12002256, while the sum is 62.

The spelling of 67899000797 in words is "sixty-seven billion, eight hundred ninety-nine million, seven hundred ninety-seven", and thus it is an aban number.