12777087924 has 36 divisors (see below), whose sum is σ = 32401518240. Its totient is φ = 4245330960.

The previous prime is 12777087899. The next prime is 12777088001. The reversal of 12777087924 is 42978077721.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 559414 + ... + 581805.

Almost surely, 2^12777087924 is an apocalyptic number.

It is an amenable number.

12777087924 is an abundant number, since it is smaller than the sum of its proper divisors (19624430316).

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

12777087924 is a wasteful number, since it uses less digits than its factorization.

12777087924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141540 (or 1141535 counting only the distinct ones).

The product of its (nonzero) digits is 2765952, while the sum is 54.

The spelling of 12777087924 in words is "twelve billion, seven hundred seventy-seven million, eighty-seven thousand, nine hundred twenty-four".