77967795265 has 8 divisors (see below), whose sum is σ = 94180966848.
Its totient is φ = 61961161200.
The previous prime is 77967795259. The next prime is 77967795313. The reversal of 77967795265 is 56259776977.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 77967795265 - 211 = 77967793217 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 77967795194 and 77967795203.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51633547 + ... + 51635056.
It is an arithmetic number, because the mean of its divisors is an integer number (11772620856).
Almost surely, 277967795265 is an apocalyptic number.
It is an amenable number.
77967795265 is a deficient number, since it is larger than the sum of its proper divisors (16213171583).
77967795265 is a wasteful number, since it uses less digits than its factorization.
77967795265 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 103268759.
The product of its digits is 350065800, while the sum is 70.
The spelling of 77967795265 in words is "seventy-seven billion, nine hundred sixty-seven million, seven hundred ninety-five thousand, two hundred sixty-five".