86753691 has 12 divisors (see below), whose sum is σ = 125801832. Its totient is φ = 57609216.

The previous prime is 86753687. The next prime is 86753701. The reversal of 86753691 is 19635768.

It is a happy number.

It is not a de Polignac number, because 86753691 - 2² = 86753687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86752691) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16441 + ... + 21066.

It is an arithmetic number, because the mean of its divisors is an integer number (10483486).

Almost surely, 2^86753691 is an apocalyptic number.

86753691 is a deficient number, since it is larger than the sum of its proper divisors (39048141).

86753691 is a wasteful number, since it uses less digits than its factorization.

86753691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37770 (or 37767 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 86753691 is about 9314.1661462527. The cubic root of 86753691 is about 442.6862033547.

The spelling of 86753691 in words is "eighty-six million, seven hundred fifty-three thousand, six hundred ninety-one".