87999999995 has 8 divisors (see below), whose sum is σ = 105696798480. Its totient is φ = 70335467680.

The previous prime is 87999999959. The next prime is 88000000037. The reversal of 87999999995 is 59999999978.

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

It is not a de Polignac number, because 87999999995 - 2⁶ = 87999999931 is a prime.

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, 8060540 + ... + 8071449.

It is an arithmetic number, because the mean of its divisors is an integer number (13212099810).

Almost surely, 2^87999999995 is an apocalyptic number.

87999999995 is a deficient number, since it is larger than the sum of its proper divisors (17696798485).

87999999995 is a wasteful number, since it uses less digits than its factorization.

87999999995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16133085.

The product of its digits is 12053081880, while the sum is 92.

The spelling of 87999999995 in words is "eighty-seven billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-five".