12577323792 has 80 divisors (see below), whose sum is σ = 37530222912. Its totient is φ = 3587112960.

The previous prime is 12577323763. The next prime is 12577323797. The reversal of 12577323792 is 29732377521.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (12577323797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 691633 + ... + 709584.

Almost surely, 2^12577323792 is an apocalyptic number.

12577323792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12577323792 is an abundant number, since it is smaller than the sum of its proper divisors (24952899120).

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

12577323792 is a wasteful number, since it uses less digits than its factorization.

12577323792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401256 (or 1401250 counting only the distinct ones).

The product of its digits is 1111320, while the sum is 48.

The spelling of 12577323792 in words is "twelve billion, five hundred seventy-seven million, three hundred twenty-three thousand, seven hundred ninety-two".