77113438 has 8 divisors (see below), whose sum is σ = 121758120. Its totient is φ = 36527400.

The previous prime is 77113433. The next prime is 77113451. The reversal of 77113438 is 83431177.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77113433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1014613 + ... + 1014688.

It is an arithmetic number, because the mean of its divisors is an integer number (15219765).

Almost surely, 2^77113438 is an apocalyptic number.

77113438 is a deficient number, since it is larger than the sum of its proper divisors (44644682).

77113438 is a wasteful number, since it uses less digits than its factorization.

77113438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2029322.

The product of its digits is 14112, while the sum is 34.

The square root of 77113438 is about 8781.4257384550. The cubic root of 77113438 is about 425.6409024644.

The spelling of 77113438 in words is "seventy-seven million, one hundred thirteen thousand, four hundred thirty-eight".