5457809772 has 18 divisors (see below), whose sum is σ = 13796130348. Its totient is φ = 1819269912.

The previous prime is 5457809759. The next prime is 5457809789. The reversal of 5457809772 is 2779087545.

It is a happy number.

5457809772 is a `hidden beast` number, since 545 + 7 + 8 + 0 + 97 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75802878 + ... + 75802949.

It is an arithmetic number, because the mean of its divisors is an integer number (766451686).

Almost surely, 2^5457809772 is an apocalyptic number.

It is an amenable number.

5457809772 is an abundant number, since it is smaller than the sum of its proper divisors (8338320576).

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

5457809772 is a wasteful number, since it uses less digits than its factorization.

5457809772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151605837 (or 151605832 counting only the distinct ones).

The product of its (nonzero) digits is 4939200, while the sum is 54.

The square root of 5457809772 is about 73876.9908158149. The cubic root of 5457809772 is about 1760.6490559790.

The spelling of 5457809772 in words is "five billion, four hundred fifty-seven million, eight hundred nine thousand, seven hundred seventy-two".