18877034880 has 512 divisors, whose sum is σ = 74521036800. Its totient is φ = 4476764160.

The previous prime is 18877034851. The next prime is 18877034899. The reversal of 18877034880 is 8843077881.

18877034880 is a `hidden beast` number, since 18 + 87 + 70 + 3 + 488 + 0 = 666.

It is a super-2 number, since 2×18877034880² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8932704 + ... + 8934816.

It is an arithmetic number, because the mean of its divisors is an integer number (145548900).

Almost surely, 2^18877034880 is an apocalyptic number.

18877034880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18877034880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37260518400).

18877034880 is an abundant number, since it is smaller than the sum of its proper divisors (55644001920).

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

18877034880 is a wasteful number, since it uses less digits than its factorization.

18877034880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2199 (or 2181 counting only the distinct ones).

The product of its (nonzero) digits is 2408448, while the sum is 54.

The spelling of 18877034880 in words is "eighteen billion, eight hundred seventy-seven million, thirty-four thousand, eight hundred eighty".