12527747628 has 24 divisors (see below), whose sum is σ = 31888812480. Its totient is φ = 3796287120.

The previous prime is 12527747563. The next prime is 12527747633. The reversal of 12527747628 is 82674772521.

It is a happy number.

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, 47453458 + ... + 47453721.

It is an arithmetic number, because the mean of its divisors is an integer number (1328700520).

Almost surely, 2^12527747628 is an apocalyptic number.

It is an amenable number.

12527747628 is an abundant number, since it is smaller than the sum of its proper divisors (19361064852).

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

12527747628 is a wasteful number, since it uses less digits than its factorization.

12527747628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94907197 (or 94907195 counting only the distinct ones).

The product of its digits is 2634240, while the sum is 51.

The spelling of 12527747628 in words is "twelve billion, five hundred twenty-seven million, seven hundred forty-seven thousand, six hundred twenty-eight".