77501034144472 has 16 divisors (see below), whose sum is σ = 146205938649240. Its totient is φ = 38512783838016.

The previous prime is 77501034144433. The next prime is 77501034144503. The reversal of 77501034144472 is 27444143010577.

It is a super-2 number, since 2×77501034144472² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29716652893 + ... + 29716655500.

Almost surely, 2^{77501034144472} is an apocalyptic number.

It is an amenable number.

77501034144472 is a deficient number, since it is larger than the sum of its proper divisors (68704904504768).

77501034144472 is a wasteful number, since it uses less digits than its factorization.

77501034144472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59433308562 (or 59433308558 counting only the distinct ones).

The product of its (nonzero) digits is 2634240, while the sum is 49.

The spelling of 77501034144472 in words is "seventy-seven trillion, five hundred one billion, thirty-four million, one hundred forty-four thousand, four hundred seventy-two".