87615130 has 16 divisors (see below), whose sum is σ = 158591520. Its totient is φ = 34849552.

The previous prime is 87615109. The next prime is 87615133. The reversal of 87615130 is 3151678.

It is a super-2 number, since 2×87615130² = 15352822009833800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 87615092 and 87615101.

It is not an unprimeable number, because it can be changed into a prime (87615133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22684 + ... + 26263.

It is an arithmetic number, because the mean of its divisors is an integer number (9911970).

Almost surely, 2^87615130 is an apocalyptic number.

87615130 is a deficient number, since it is larger than the sum of its proper divisors (70976390).

87615130 is a wasteful number, since it uses less digits than its factorization.

87615130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49133.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 87615130 is about 9360.2954013215. The cubic root of 87615130 is about 444.1466286538.

The spelling of 87615130 in words is "eighty-seven million, six hundred fifteen thousand, one hundred thirty".