18077765260 has 48 divisors (see below), whose sum is σ = 38576073312. Its totient is φ = 7114867200.

The previous prime is 18077765203. The next prime is 18077765281. The reversal of 18077765260 is 6256777081.

It is a happy number.

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, 599955 + ... + 629365.

It is an arithmetic number, because the mean of its divisors is an integer number (803668194).

Almost surely, 2^18077765260 is an apocalyptic number.

18077765260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18077765260 is an abundant number, since it is smaller than the sum of its proper divisors (20498308052).

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

18077765260 is a wasteful number, since it uses less digits than its factorization.

18077765260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29914 (or 29912 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 49.

The spelling of 18077765260 in words is "eighteen billion, seventy-seven million, seven hundred sixty-five thousand, two hundred sixty".