27913803780 has 48 divisors (see below), whose sum is σ = 78436842624. Its totient is φ = 7417186560.

The previous prime is 27913803763. The next prime is 27913803809. The reversal of 27913803780 is 8730831972.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 810952 + ... + 844671.

It is an arithmetic number, because the mean of its divisors is an integer number (1634100888).

Almost surely, 2^27913803780 is an apocalyptic number.

27913803780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27913803780 is an abundant number, since it is smaller than the sum of its proper divisors (50523038844).

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

27913803780 is a wasteful number, since it uses less digits than its factorization.

27913803780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655916 (or 1655914 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 48.

The spelling of 27913803780 in words is "twenty-seven billion, nine hundred thirteen million, eight hundred three thousand, seven hundred eighty".