76638086 has 16 divisors (see below), whose sum is σ = 131652864. Its totient is φ = 32776584.

The previous prime is 76638049. The next prime is 76638103. The reversal of 76638086 is 68083667.

It is a congruent number.

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, 1601 + ... + 12483.

It is an arithmetic number, because the mean of its divisors is an integer number (8228304).

Almost surely, 2^76638086 is an apocalyptic number.

76638086 is a deficient number, since it is larger than the sum of its proper divisors (55014778).

76638086 is a wasteful number, since it uses less digits than its factorization.

76638086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11395.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 76638086 is about 8754.3181344980. The cubic root of 76638086 is about 424.7645034432.

The spelling of 76638086 in words is "seventy-six million, six hundred thirty-eight thousand, eighty-six".