87140632855 has 8 divisors (see below), whose sum is σ = 104622923664. Its totient is φ = 69676396800.

The previous prime is 87140632829. The next prime is 87140632879. The reversal of 87140632855 is 55823604178.

It is a happy number.

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

It is not a de Polignac number, because 87140632855 - 2⁷ = 87140632727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87140632799 and 87140632808.

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, 4503066 + ... + 4522375.

It is an arithmetic number, because the mean of its divisors is an integer number (13077865458).

Almost surely, 2^87140632855 is an apocalyptic number.

87140632855 is a deficient number, since it is larger than the sum of its proper divisors (17482290809).

87140632855 is a wasteful number, since it uses less digits than its factorization.

87140632855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9027377.

The product of its (nonzero) digits is 1612800, while the sum is 49.

The spelling of 87140632855 in words is "eighty-seven billion, one hundred forty million, six hundred thirty-two thousand, eight hundred fifty-five".