252547977772 has 12 divisors (see below), whose sum is σ = 441974913016. Its totient is φ = 126269431200.

The previous prime is 252547977769. The next prime is 252547977797. The reversal of 252547977772 is 277779745252.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1013193 + ... + 1237600.

Almost surely, 2^252547977772 is an apocalyptic number.

It is an amenable number.

252547977772 is a deficient number, since it is larger than the sum of its proper divisors (189426935244).

252547977772 is a wasteful number, since it uses less digits than its factorization.

252547977772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2278848 (or 2278846 counting only the distinct ones).

The product of its digits is 121010400, while the sum is 64.

The spelling of 252547977772 in words is "two hundred fifty-two billion, five hundred forty-seven million, nine hundred seventy-seven thousand, seven hundred seventy-two".