12776402750 has 64 divisors (see below), whose sum is σ = 25239988800. Its totient is φ = 4829328000.

The previous prime is 12776402711. The next prime is 12776402761. The reversal of 12776402750 is 5720467721.

It is a junction number, because it is equal to n+sod(n) for n = 12776402698 and 12776402707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1996556 + ... + 2002944.

It is an arithmetic number, because the mean of its divisors is an integer number (394374825).

Almost surely, 2^12776402750 is an apocalyptic number.

12776402750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12776402750 is a deficient number, since it is larger than the sum of its proper divisors (12463586050).

12776402750 is a wasteful number, since it uses less digits than its factorization.

12776402750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6846 (or 6836 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 41.

The spelling of 12776402750 in words is "twelve billion, seven hundred seventy-six million, four hundred two thousand, seven hundred fifty".