87262615 has 16 divisors (see below), whose sum is σ = 120955680. Its totient is φ = 59729920.

The previous prime is 87262607. The next prime is 87262619. The reversal of 87262615 is 51626278.

It is a happy number.

It is not a de Polignac number, because 87262615 - 2³ = 87262607 is a prime.

It is a super-2 number, since 2×87262615² = 15229527953276450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87262619) 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, 45730 + ... + 47599.

It is an arithmetic number, because the mean of its divisors is an integer number (7559730).

Almost surely, 2^87262615 is an apocalyptic number.

87262615 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

87262615 is a deficient number, since it is larger than the sum of its proper divisors (33693065).

87262615 is a wasteful number, since it uses less digits than its factorization.

87262615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93362.

The product of its digits is 40320, while the sum is 37.

The square root of 87262615 is about 9341.4460871966. The cubic root of 87262615 is about 443.5501608938.

The spelling of 87262615 in words is "eighty-seven million, two hundred sixty-two thousand, six hundred fifteen".