561077792 has 48 divisors (see below), whose sum is σ = 1275940512. Its totient is φ = 240030720.

The previous prime is 561077791. The next prime is 561077807. The reversal of 561077792 is 297770165.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (561077791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40898 + ... + 52865.

It is an arithmetic number, because the mean of its divisors is an integer number (26582094).

Almost surely, 2^561077792 is an apocalyptic number.

It is an amenable number.

561077792 is an abundant number, since it is smaller than the sum of its proper divisors (714862720).

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

561077792 is a wasteful number, since it uses less digits than its factorization.

561077792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93801 (or 93793 counting only the distinct ones).

The product of its (nonzero) digits is 185220, while the sum is 44.

The square root of 561077792 is about 23687.0806981359. The cubic root of 561077792 is about 824.7855173078.

The spelling of 561077792 in words is "five hundred sixty-one million, seventy-seven thousand, seven hundred ninety-two".