87599051 has 16 divisors (see below), whose sum is σ = 91375200. Its totient is φ = 83939328.

The previous prime is 87599047. The next prime is 87599093. The reversal of 87599051 is 15099578.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 87599051 - 2² = 87599047 is a prime.

It is a super-2 number, since 2×87599051² = 15347187472201202, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87598993 and 87599011.

It is not an unprimeable number, because it can be changed into a prime (87599021) 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, 630140 + ... + 630278.

It is an arithmetic number, because the mean of its divisors is an integer number (5710950).

Almost surely, 2^87599051 is an apocalyptic number.

87599051 is a deficient number, since it is larger than the sum of its proper divisors (3776149).

87599051 is a wasteful number, since it uses less digits than its factorization.

87599051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398.

The product of its (nonzero) digits is 113400, while the sum is 44.

The square root of 87599051 is about 9359.4364680786. The cubic root of 87599051 is about 444.1194572792.

The spelling of 87599051 in words is "eighty-seven million, five hundred ninety-nine thousand, fifty-one".