12770064740 has 24 divisors (see below), whose sum is σ = 27741866040. Its totient is φ = 4931886848.

The previous prime is 12770064739. The next prime is 12770064767. The reversal of 12770064740 is 4746007721.

It can be written as a sum of positive squares in 4 ways, for example, as 3943086436 + 8826978304 = 62794^2 + 93952^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12770064694 and 12770064703.

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 7 ways as a sum of consecutive naturals, for example, 11008097 + ... + 11009256.

It is an arithmetic number, because the mean of its divisors is an integer number (1155911085).

Almost surely, 2^12770064740 is an apocalyptic number.

12770064740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12770064740 is an abundant number, since it is smaller than the sum of its proper divisors (14971801300).

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

12770064740 is a wasteful number, since it uses less digits than its factorization.

12770064740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22017391 (or 22017389 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 38.

The spelling of 12770064740 in words is "twelve billion, seven hundred seventy million, sixty-four thousand, seven hundred forty".