77825432044844 has 24 divisors (see below), whose sum is σ = 148583287733328. Its totient is φ = 35373419498240.

The previous prime is 77825432044823. The next prime is 77825432044847. The reversal of 77825432044844 is 44844023452877.

It is not an unprimeable number, because it can be changed into a prime (77825432044847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43536017 + ... + 45288360.

It is an arithmetic number, because the mean of its divisors is an integer number (6190970322222).

Almost surely, 2^{77825432044844} is an apocalyptic number.

It is an amenable number.

77825432044844 is a deficient number, since it is larger than the sum of its proper divisors (70757855688484).

77825432044844 is a wasteful number, since it uses less digits than its factorization.

77825432044844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88844305 (or 88844303 counting only the distinct ones).

The product of its (nonzero) digits is 192675840, while the sum is 62.

The spelling of 77825432044844 in words is "seventy-seven trillion, eight hundred twenty-five billion, four hundred thirty-two million, forty-four thousand, eight hundred forty-four".