87092691 has 16 divisors (see below), whose sum is σ = 133041408. Its totient is φ = 49644000.

The previous prime is 87092659. The next prime is 87092729. The reversal of 87092691 is 19629078.

It is not a de Polignac number, because 87092691 - 2⁵ = 87092659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87092611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3916 + ... + 13766.

It is an arithmetic number, because the mean of its divisors is an integer number (8315088).

Almost surely, 2^87092691 is an apocalyptic number.

87092691 is a deficient number, since it is larger than the sum of its proper divisors (45948717).

87092691 is a wasteful number, since it uses less digits than its factorization.

87092691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10282.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 87092691 is about 9332.3464894956. The cubic root of 87092691 is about 443.2620696252.

The spelling of 87092691 in words is "eighty-seven million, ninety-two thousand, six hundred ninety-one".