61757104392 has 96 divisors (see below), whose sum is σ = 168266280000. Its totient is φ = 20461921920.

The previous prime is 61757104391. The next prime is 61757104427. The reversal of 61757104392 is 29340175716.

It is not an unprimeable number, because it can be changed into a prime (61757104391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23224359 + ... + 23227017.

It is an arithmetic number, because the mean of its divisors is an integer number (1752773750).

Almost surely, 2^61757104392 is an apocalyptic number.

It is an amenable number.

61757104392 is an abundant number, since it is smaller than the sum of its proper divisors (106509175608).

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

61757104392 is a wasteful number, since it uses less digits than its factorization.

61757104392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4491 (or 4484 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The spelling of 61757104392 in words is "sixty-one billion, seven hundred fifty-seven million, one hundred four thousand, three hundred ninety-two".