77161024 has 28 divisors (see below), whose sum is σ = 153985468. Its totient is φ = 38361600.

The previous prime is 77161001. The next prime is 77161031. The reversal of 77161024 is 42016177.

It can be written as a sum of positive squares in 2 ways, for example, as 33177600 + 43983424 = 5760^2 + 6632^2 .

It is a junction number, because it is equal to n+sod(n) for n = 77160983 and 77161001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8254 + ... + 14914.

It is an arithmetic number, because the mean of its divisors is an integer number (5499481).

Almost surely, 2^77161024 is an apocalyptic number.

It is an amenable number.

77161024 is a deficient number, since it is larger than the sum of its proper divisors (76824444).

77161024 is a wasteful number, since it uses less digits than its factorization.

77161024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6854 (or 6844 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 77161024 is about 8784.1347894941. The cubic root of 77161024 is about 425.7284375021.

The spelling of 77161024 in words is "seventy-seven million, one hundred sixty-one thousand, twenty-four".