86620956 has 24 divisors (see below), whose sum is σ = 202688640. Its totient is φ = 28791792.

The previous prime is 86620951. The next prime is 86620957. The reversal of 86620956 is 65902668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86620951) 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, 5746 + ... + 14361.

It is an arithmetic number, because the mean of its divisors is an integer number (8445360).

Almost surely, 2^86620956 is an apocalyptic number.

It is an amenable number.

86620956 is an abundant number, since it is smaller than the sum of its proper divisors (116067684).

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

86620956 is a wasteful number, since it uses less digits than its factorization.

86620956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20473 (or 20471 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 86620956 is about 9307.0379820865. The cubic root of 86620956 is about 442.4603149957.

The spelling of 86620956 in words is "eighty-six million, six hundred twenty thousand, nine hundred fifty-six".