87917583415 has 4 divisors (see below), whose sum is σ = 105501100104. Its totient is φ = 70334066728.

The previous prime is 87917583319. The next prime is 87917583431. The reversal of 87917583415 is 51438571978.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 87917583415 - 2¹⁵ = 87917550647 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 87917583415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8791758337 + ... + 8791758346.

It is an arithmetic number, because the mean of its divisors is an integer number (26375275026).

Almost surely, 2^87917583415 is an apocalyptic number.

87917583415 is a deficient number, since it is larger than the sum of its proper divisors (17583516689).

87917583415 is a wasteful number, since it uses less digits than its factorization.

87917583415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17583516688.

The product of its digits is 8467200, while the sum is 58.

The spelling of 87917583415 in words is "eighty-seven billion, nine hundred seventeen million, five hundred eighty-three thousand, four hundred fifteen".