18848538798 has 16 divisors (see below), whose sum is σ = 37698543696. Its totient is φ = 6282601920.

The previous prime is 18848538763. The next prime is 18848538833. The reversal of 18848538798 is 89783584881.

It is an interprime number because it is at equal distance from previous prime (18848538763) and next prime (18848538833).

It is a super-2 number, since 2×18848538798² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178068 + ... + 263448.

It is an arithmetic number, because the mean of its divisors is an integer number (2356158981).

Almost surely, 2^18848538798 is an apocalyptic number.

18848538798 is an abundant number, since it is smaller than the sum of its proper divisors (18850004898).

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

18848538798 is a wasteful number, since it uses less digits than its factorization.

18848538798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122179.

The product of its digits is 123863040, while the sum is 69.

The spelling of 18848538798 in words is "eighteen billion, eight hundred forty-eight million, five hundred thirty-eight thousand, seven hundred ninety-eight".