12766774590 has 48 divisors (see below), whose sum is σ = 33756231600. Its totient is φ = 3346768896.

The previous prime is 12766774523. The next prime is 12766774591. The reversal of 12766774590 is 9547766721.

12766774590 is a `hidden beast` number, since 127 + 6 + 67 + 7 + 459 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12766774591) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1196835 + ... + 1207454.

It is an arithmetic number, because the mean of its divisors is an integer number (703254825).

Almost surely, 2^12766774590 is an apocalyptic number.

12766774590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12766774590 is an abundant number, since it is smaller than the sum of its proper divisors (20989457010).

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

12766774590 is a wasteful number, since it uses less digits than its factorization.

12766774590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2404361 (or 2404358 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 54.

The spelling of 12766774590 in words is "twelve billion, seven hundred sixty-six million, seven hundred seventy-four thousand, five hundred ninety".