77967795260 has 12 divisors (see below), whose sum is σ = 163732370088. Its totient is φ = 31187118096.

The previous prime is 77967795259. The next prime is 77967795313. The reversal of 77967795260 is 6259776977.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1949194862 + ... + 1949194901.

It is an arithmetic number, because the mean of its divisors is an integer number (13644364174).

Almost surely, 2^77967795260 is an apocalyptic number.

It is an amenable number.

77967795260 is an abundant number, since it is smaller than the sum of its proper divisors (85764574828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77967795260 is a wasteful number, since it uses less digits than its factorization.

77967795260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3898389772 (or 3898389770 counting only the distinct ones).

The product of its (nonzero) digits is 70013160, while the sum is 65.

The spelling of 77967795260 in words is "seventy-seven billion, nine hundred sixty-seven million, seven hundred ninety-five thousand, two hundred sixty".