97777659265 has 32 divisors (see below), whose sum is σ = 139394908800. Its totient is φ = 64903365120.

The previous prime is 97777659257. The next prime is 97777659281. The reversal of 97777659265 is 56295677779.

It is not a de Polignac number, because 97777659265 - 2³ = 97777659257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97777659194 and 97777659203.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 704635 + ... + 831904.

It is an arithmetic number, because the mean of its divisors is an integer number (4356090900).

Almost surely, 2^97777659265 is an apocalyptic number.

It is an amenable number.

97777659265 is a deficient number, since it is larger than the sum of its proper divisors (41617249535).

97777659265 is a wasteful number, since it uses less digits than its factorization.

97777659265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536657.

The product of its digits is 350065800, while the sum is 70.

The spelling of 97777659265 in words is "ninety-seven billion, seven hundred seventy-seven million, six hundred fifty-nine thousand, two hundred sixty-five".