18798036764 has 36 divisors (see below), whose sum is σ = 37389825144. Its totient is φ = 8219376288.

The previous prime is 18798036737. The next prime is 18798036779. The reversal of 18798036764 is 46763089781.

It is a super-3 number, since 3×18798036764³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 481922 + ... + 519465.

It is an arithmetic number, because the mean of its divisors is an integer number (1038606254).

Almost surely, 2^18798036764 is an apocalyptic number.

It is an amenable number.

18798036764 is a deficient number, since it is larger than the sum of its proper divisors (18591788380).

18798036764 is a wasteful number, since it uses less digits than its factorization.

18798036764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001442 (or 1001421 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 59.

The spelling of 18798036764 in words is "eighteen billion, seven hundred ninety-eight million, thirty-six thousand, seven hundred sixty-four".