87815909255 has 8 divisors (see below), whose sum is σ = 105429548400. Its totient is φ = 70219089216.

The previous prime is 87815909239. The next prime is 87815909273. The reversal of 87815909255 is 55290951878.

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 87815909255 - 2⁴ = 87815909239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87815909194 and 87815909203.

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, 4193285 + ... + 4214174.

It is an arithmetic number, because the mean of its divisors is an integer number (13178693550).

Almost surely, 2^87815909255 is an apocalyptic number.

87815909255 is a deficient number, since it is larger than the sum of its proper divisors (17613639145).

87815909255 is a wasteful number, since it uses less digits than its factorization.

87815909255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8409553.

The product of its (nonzero) digits is 9072000, while the sum is 59.

The spelling of 87815909255 in words is "eighty-seven billion, eight hundred fifteen million, nine hundred nine thousand, two hundred fifty-five".