87415015 has 8 divisors (see below), whose sum is σ = 105653520. Its totient is φ = 69428352.

The previous prime is 87414983. The next prime is 87415043. The reversal of 87415015 is 51051478.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87415015 - 2⁵ = 87414983 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62194 + ... + 63583.

It is an arithmetic number, because the mean of its divisors is an integer number (13206690).

Almost surely, 2^87415015 is an apocalyptic number.

87415015 is a deficient number, since it is larger than the sum of its proper divisors (18238505).

87415015 is a wasteful number, since it uses less digits than its factorization.

87415015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125921.

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 87415015 is about 9349.5997240524. The cubic root of 87415015 is about 443.8082237958.

The spelling of 87415015 in words is "eighty-seven million, four hundred fifteen thousand, fifteen".