77555057780076 has 48 divisors (see below), whose sum is σ = 187204928816640. Its totient is φ = 24959839786560.

The previous prime is 77555057780071. The next prime is 77555057780093. The reversal of 77555057780076 is 67008775055577.

77555057780076 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (69) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (77555057780071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19828125 + ... + 23415051.

It is an arithmetic number, because the mean of its divisors is an integer number (3900102683680).

Almost surely, 2^{77555057780076} is an apocalyptic number.

It is an amenable number.

77555057780076 is an abundant number, since it is smaller than the sum of its proper divisors (109649871036564).

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

77555057780076 is a wasteful number, since it uses less digits than its factorization.

77555057780076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3649094 (or 3649092 counting only the distinct ones).

The product of its (nonzero) digits is 504210000, while the sum is 69.

The spelling of 77555057780076 in words is "seventy-seven trillion, five hundred fifty-five billion, fifty-seven million, seven hundred eighty thousand, seventy-six".