77138113 has 8 divisors (see below), whose sum is σ = 86683968. Its totient is φ = 68108304.

The previous prime is 77138111. The next prime is 77138141. The reversal of 77138113 is 31183177.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 77138113 - 2¹ = 77138111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77138111) 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, 128695 + ... + 129292.

It is an arithmetic number, because the mean of its divisors is an integer number (10835496).

Almost surely, 2^77138113 is an apocalyptic number.

It is an amenable number.

77138113 is a deficient number, since it is larger than the sum of its proper divisors (9545855).

77138113 is a wasteful number, since it uses less digits than its factorization.

77138113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258023.

The product of its digits is 3528, while the sum is 31.

The square root of 77138113 is about 8782.8305801717. The cubic root of 77138113 is about 425.6862969270.

The spelling of 77138113 in words is "seventy-seven million, one hundred thirty-eight thousand, one hundred thirteen".