77800007625627 has 16 divisors (see below), whose sum is σ = 118552741661952. Its totient is φ = 44457016306080.

The previous prime is 77800007625619. The next prime is 77800007625671. The reversal of 77800007625627 is 72652670000877.

It is a happy number.

It is not a de Polignac number, because 77800007625627 - 2³ = 77800007625619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77800007625827) 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, 2089633 + ... + 12647789.

It is an arithmetic number, because the mean of its divisors is an integer number (7409546353872).

Almost surely, 2^{77800007625627} is an apocalyptic number.

77800007625627 is a deficient number, since it is larger than the sum of its proper divisors (40752734036325).

77800007625627 is a wasteful number, since it uses less digits than its factorization.

77800007625627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10909058.

The product of its (nonzero) digits is 13829760, while the sum is 57.

The spelling of 77800007625627 in words is "seventy-seven trillion, eight hundred billion, seven million, six hundred twenty-five thousand, six hundred twenty-seven".