77024545506412 has 48 divisors (see below), whose sum is σ = 154458074165248. Its totient is φ = 32922985559040.

The previous prime is 77024545506317. The next prime is 77024545506413. The reversal of 77024545506412 is 21460554542077.

It is a super-2 number, since 2×77024545506412² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 77024545506412.

It is not an unprimeable number, because it can be changed into a prime (77024545506413) 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, 15368587 + ... + 19754557.

Almost surely, 2^{77024545506412} is an apocalyptic number.

It is an amenable number.

77024545506412 is an abundant number, since it is smaller than the sum of its proper divisors (77433528658836).

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

77024545506412 is a wasteful number, since it uses less digits than its factorization.

77024545506412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4387646 (or 4387644 counting only the distinct ones).

The product of its (nonzero) digits is 9408000, while the sum is 52.

The spelling of 77024545506412 in words is "seventy-seven trillion, twenty-four billion, five hundred forty-five million, five hundred six thousand, four hundred twelve".