12577810676 has 6 divisors (see below), whose sum is σ = 22011168690. Its totient is φ = 6288905336.

The previous prime is 12577810643. The next prime is 12577810681. The reversal of 12577810676 is 67601877521.

It can be written as a sum of positive squares in only one way, i.e., 10223232100 + 2354578576 = 101110^2 + 48524^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1572226331 + ... + 1572226338.

It is an arithmetic number, because the mean of its divisors is an integer number (3668528115).

Almost surely, 2^12577810676 is an apocalyptic number.

It is an amenable number.

12577810676 is a deficient number, since it is larger than the sum of its proper divisors (9433358014).

12577810676 is a wasteful number, since it uses less digits than its factorization.

12577810676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3144452673 (or 3144452671 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 50.

The spelling of 12577810676 in words is "twelve billion, five hundred seventy-seven million, eight hundred ten thousand, six hundred seventy-six".