87879194384 has 20 divisors (see below), whose sum is σ = 170604455616. Its totient is φ = 43852238112.

The previous prime is 87879194339. The next prime is 87879194393. The reversal of 87879194384 is 48349197878.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5451644 + ... + 5467739.

Almost surely, 2^87879194384 is an apocalyptic number.

It is an amenable number.

87879194384 is a deficient number, since it is larger than the sum of its proper divisors (82725261232).

87879194384 is a wasteful number, since it uses less digits than its factorization.

87879194384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10919894 (or 10919888 counting only the distinct ones).

The product of its digits is 97542144, while the sum is 68.

The spelling of 87879194384 in words is "eighty-seven billion, eight hundred seventy-nine million, one hundred ninety-four thousand, three hundred eighty-four".