18872861460 has 48 divisors (see below), whose sum is σ = 52865397312. Its totient is φ = 5030726400.

The previous prime is 18872861453. The next prime is 18872861461. The reversal of 18872861460 is 6416827881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18872861461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88875 + ... + 213645.

It is an arithmetic number, because the mean of its divisors is an integer number (1101362444).

Almost surely, 2^18872861460 is an apocalyptic number.

18872861460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18872861460 is an abundant number, since it is smaller than the sum of its proper divisors (33992535852).

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

18872861460 is a wasteful number, since it uses less digits than its factorization.

18872861460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127304 (or 127302 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 51.

The spelling of 18872861460 in words is "eighteen billion, eight hundred seventy-two million, eight hundred sixty-one thousand, four hundred sixty".