18700957794 has 16 divisors (see below), whose sum is σ = 37403402400. Its totient is φ = 6233404800.

The previous prime is 18700957789. The next prime is 18700957811. The reversal of 18700957794 is 49775900781.

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, 166194 + ... + 254994.

It is an arithmetic number, because the mean of its divisors is an integer number (2337712650).

Almost surely, 2^18700957794 is an apocalyptic number.

18700957794 is an abundant number, since it is smaller than the sum of its proper divisors (18702444606).

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

18700957794 is a wasteful number, since it uses less digits than its factorization.

18700957794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123905.

The product of its (nonzero) digits is 4445280, while the sum is 57.

The spelling of 18700957794 in words is "eighteen billion, seven hundred million, nine hundred fifty-seven thousand, seven hundred ninety-four".