77497951116 has 24 divisors (see below), whose sum is σ = 180850342960. Its totient is φ = 25829537472.

The previous prime is 77497951109. The next prime is 77497951133. The reversal of 77497951116 is 61115979477.

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 7 ways as a sum of consecutive naturals, for example, 284251 + ... + 485586.

Almost surely, 2^77497951116 is an apocalyptic number.

It is an amenable number.

77497951116 is an abundant number, since it is smaller than the sum of its proper divisors (103352391844).

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

77497951116 is a wasteful number, since it uses less digits than its factorization.

77497951116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778233 (or 778231 counting only the distinct ones).

The product of its digits is 3333960, while the sum is 57.

The spelling of 77497951116 in words is "seventy-seven billion, four hundred ninety-seven million, nine hundred fifty-one thousand, one hundred sixteen".