77551027461172 has 24 divisors (see below), whose sum is σ = 138994476195456. Its totient is φ = 37842994261248.

The previous prime is 77551027461139. The next prime is 77551027461197. The reversal of 77551027461172 is 27116472015577.

77551027461172 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×77551027461172² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 584218998 + ... + 584351725.

It is an arithmetic number, because the mean of its divisors is an integer number (5791436508144).

Almost surely, 2^{77551027461172} is an apocalyptic number.

It is an amenable number.

77551027461172 is a deficient number, since it is larger than the sum of its proper divisors (61443448734284).

77551027461172 is a wasteful number, since it uses less digits than its factorization.

77551027461172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168571127 (or 1168571125 counting only the distinct ones).

The product of its (nonzero) digits is 5762400, while the sum is 55.

The spelling of 77551027461172 in words is "seventy-seven trillion, five hundred fifty-one billion, twenty-seven million, four hundred sixty-one thousand, one hundred seventy-two".