87025015 has 24 divisors (see below), whose sum is σ = 131191200. Its totient is φ = 54246720.

The previous prime is 87025013. The next prime is 87025039. The reversal of 87025015 is 51052078.

It is not a de Polignac number, because 87025015 - 2¹ = 87025013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87025013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6040 + ... + 14509.

It is an arithmetic number, because the mean of its divisors is an integer number (5466300).

Almost surely, 2^87025015 is an apocalyptic number.

87025015 is a deficient number, since it is larger than the sum of its proper divisors (44166185).

87025015 is a wasteful number, since it uses less digits than its factorization.

87025015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20583 (or 20572 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 87025015 is about 9328.7199014656. The cubic root of 87025015 is about 443.1472265504.

The spelling of 87025015 in words is "eighty-seven million, twenty-five thousand, fifteen".