87086173555 has 16 divisors (see below), whose sum is σ = 107883590400. Its totient is φ = 67415863680.

The previous prime is 87086173541. The next prime is 87086173567. The reversal of 87086173555 is 55537168078.

It is not a de Polignac number, because 87086173555 - 2²⁵ = 87052619123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87086173496 and 87086173505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3582181 + ... + 3606409.

It is an arithmetic number, because the mean of its divisors is an integer number (6742724400).

Almost surely, 2^87086173555 is an apocalyptic number.

87086173555 is a deficient number, since it is larger than the sum of its proper divisors (20797416845).

87086173555 is a wasteful number, since it uses less digits than its factorization.

87086173555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47454.

The product of its (nonzero) digits is 7056000, while the sum is 55.

The spelling of 87086173555 in words is "eighty-seven billion, eighty-six million, one hundred seventy-three thousand, five hundred fifty-five".