86953812 has 48 divisors (see below), whose sum is σ = 221985792. Its totient is φ = 26272480.

The previous prime is 86953781. The next prime is 86953831. The reversal of 86953812 is 21835968.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57733 + ... + 59219.

It is an arithmetic number, because the mean of its divisors is an integer number (4624704).

Almost surely, 2^86953812 is an apocalyptic number.

It is an amenable number.

86953812 is an abundant number, since it is smaller than the sum of its proper divisors (135031980).

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

86953812 is a wasteful number, since it uses less digits than its factorization.

86953812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948 (or 1946 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 86953812 is about 9324.9027876970. The cubic root of 86953812 is about 443.0263340252.

The spelling of 86953812 in words is "eighty-six million, nine hundred fifty-three thousand, eight hundred twelve".