12877626540 has 24 divisors (see below), whose sum is σ = 36057354480. Its totient is φ = 3434033728.

The previous prime is 12877626521. The next prime is 12877626551. The reversal of 12877626540 is 4562677821.

It is a self number, because there is not a number n which added to its sum of digits gives 12877626540.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107313495 + ... + 107313614.

It is an arithmetic number, because the mean of its divisors is an integer number (1502389770).

Almost surely, 2^12877626540 is an apocalyptic number.

12877626540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12877626540 is an abundant number, since it is smaller than the sum of its proper divisors (23179727940).

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

12877626540 is a wasteful number, since it uses less digits than its factorization.

12877626540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214627121 (or 214627119 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 12877626540 in words is "twelve billion, eight hundred seventy-seven million, six hundred twenty-six thousand, five hundred forty".