77059138 has 16 divisors (see below), whose sum is σ = 126831096. Its totient is φ = 34894080.

The previous prime is 77059067. The next prime is 77059163. The reversal of 77059138 is 83195077.

It can be written as a sum of positive squares in 4 ways, for example, as 75463969 + 1595169 = 8687^2 + 1263^2 .

It is a super-2 number, since 2×77059138² = 11876221498606088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 77059138.

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, 26583 + ... + 29338.

Almost surely, 2^77059138 is an apocalyptic number.

77059138 is a deficient number, since it is larger than the sum of its proper divisors (49771958).

77059138 is a wasteful number, since it uses less digits than its factorization.

77059138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55989.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 77059138 is about 8778.3334409215. Note that the first 3 decimals coincide. The cubic root of 77059138 is about 425.5409729379.

The spelling of 77059138 in words is "seventy-seven million, fifty-nine thousand, one hundred thirty-eight".