77055134 has 16 divisors (see below), whose sum is σ = 124619040. Its totient is φ = 35522400.

The previous prime is 77055133. The next prime is 77055193. The reversal of 77055134 is 43155077.

It is a self number, because there is not a number n which added to its sum of digits gives 77055134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77055133) 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, 39584 + ... + 41484.

It is an arithmetic number, because the mean of its divisors is an integer number (7788690).

Almost surely, 2^77055134 is an apocalyptic number.

77055134 is a deficient number, since it is larger than the sum of its proper divisors (47563906).

77055134 is a wasteful number, since it uses less digits than its factorization.

77055134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3475.

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 77055134 is about 8778.1053764466. The cubic root of 77055134 is about 425.5336024274.

The spelling of 77055134 in words is "seventy-seven million, fifty-five thousand, one hundred thirty-four".