86966580 has 24 divisors (see below), whose sum is σ = 243506592. Its totient is φ = 23191072.

The previous prime is 86966573. The next prime is 86966599. The reversal of 86966580 is 8566968.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 724662 + ... + 724781.

It is an arithmetic number, because the mean of its divisors is an integer number (10146108).

Almost surely, 2^86966580 is an apocalyptic number.

It is an amenable number.

86966580 is an abundant number, since it is smaller than the sum of its proper divisors (156540012).

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

86966580 is a wasteful number, since it uses less digits than its factorization.

86966580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1449455 (or 1449453 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 48.

The square root of 86966580 is about 9325.5873809643. The cubic root of 86966580 is about 443.0480171206.

The spelling of 86966580 in words is "eighty-six million, nine hundred sixty-six thousand, five hundred eighty".