87688855974 has 16 divisors (see below), whose sum is σ = 184608118080. Its totient is φ = 27691217640.

The previous prime is 87688855967. The next prime is 87688856009. The reversal of 87688855974 is 47955888678.

It is a junction number, because it is equal to n+sod(n) for n = 87688855896 and 87688855905.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384600132 + ... + 384600359.

It is an arithmetic number, because the mean of its divisors is an integer number (11538007380).

Almost surely, 2^87688855974 is an apocalyptic number.

87688855974 is an abundant number, since it is smaller than the sum of its proper divisors (96919262106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87688855974 is a wasteful number, since it uses less digits than its factorization.

87688855974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769200515.

The product of its digits is 1083801600, while the sum is 75.

The spelling of 87688855974 in words is "eighty-seven billion, six hundred eighty-eight million, eight hundred fifty-five thousand, nine hundred seventy-four".