87513940194 has 8 divisors (see below), whose sum is σ = 175027880400. Its totient is φ = 29171313396.

The previous prime is 87513940153. The next prime is 87513940223. The reversal of 87513940194 is 49104931578.

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

87513940194 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7292828344 + ... + 7292828355.

It is an arithmetic number, because the mean of its divisors is an integer number (21878485050).

Almost surely, 2^87513940194 is an apocalyptic number.

87513940194 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

87513940194 is a wasteful number, since it uses less digits than its factorization.

87513940194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14585656704.

The product of its (nonzero) digits is 1088640, while the sum is 51.

The spelling of 87513940194 in words is "eighty-seven billion, five hundred thirteen million, nine hundred forty thousand, one hundred ninety-four".