86637042 has 24 divisors (see below), whose sum is σ = 188092944. Its totient is φ = 28820664.

The previous prime is 86637041. The next prime is 86637053. The reversal of 86637042 is 24073668.

It is a junction number, because it is equal to n+sod(n) for n = 86636988 and 86637006.

It is not an unprimeable number, because it can be changed into a prime (86637041) 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, 4813 + ... + 14015.

It is an arithmetic number, because the mean of its divisors is an integer number (7837206).

Almost surely, 2^86637042 is an apocalyptic number.

86637042 is an abundant number, since it is smaller than the sum of its proper divisors (101455902).

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

86637042 is a wasteful number, since it uses less digits than its factorization.

86637042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9734 (or 9731 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 86637042 is about 9307.9021266878. The cubic root of 86637042 is about 442.4877024256.

The spelling of 86637042 in words is "eighty-six million, six hundred thirty-seven thousand, forty-two".