76106380638 has 16 divisors (see below), whose sum is σ = 155084700816. Its totient is φ = 24890136960.

The previous prime is 76106380627. The next prime is 76106380661. The reversal of 76106380638 is 83608360167.

It is a super-2 number, since 2×76106380638² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119663803 + ... + 119664438.

It is an arithmetic number, because the mean of its divisors is an integer number (9692793801).

Almost surely, 2^76106380638 is an apocalyptic number.

76106380638 is an abundant number, since it is smaller than the sum of its proper divisors (78978320178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76106380638 is a wasteful number, since it uses less digits than its factorization.

76106380638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239328299.

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 76106380638 in words is "seventy-six billion, one hundred six million, three hundred eighty thousand, six hundred thirty-eight".