61773798392 has 32 divisors (see below), whose sum is σ = 118373832000. Its totient is φ = 30208372224.

The previous prime is 61773798379. The next prime is 61773798407. The reversal of 61773798392 is 29389737716.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481484 + ... + 596132.

It is an arithmetic number, because the mean of its divisors is an integer number (3699182250).

Almost surely, 2^61773798392 is an apocalyptic number.

It is an amenable number.

61773798392 is a deficient number, since it is larger than the sum of its proper divisors (56600033608).

61773798392 is a wasteful number, since it uses less digits than its factorization.

61773798392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116135 (or 116131 counting only the distinct ones).

The product of its digits is 24004512, while the sum is 62.

The spelling of 61773798392 in words is "sixty-one billion, seven hundred seventy-three million, seven hundred ninety-eight thousand, three hundred ninety-two".