61795897392 has 80 divisors (see below), whose sum is σ = 162561738240. Its totient is φ = 20223974400.

The previous prime is 61795897367. The next prime is 61795897453. The reversal of 61795897392 is 29379859716.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 783709 + ... + 858947.

It is an arithmetic number, because the mean of its divisors is an integer number (2032021728).

Almost surely, 2^61795897392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61795897392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81280869120).

61795897392 is an abundant number, since it is smaller than the sum of its proper divisors (100765840848).

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

61795897392 is a wasteful number, since it uses less digits than its factorization.

61795897392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75562 (or 75556 counting only the distinct ones).

The product of its digits is 51438240, while the sum is 66.

The spelling of 61795897392 in words is "sixty-one billion, seven hundred ninety-five million, eight hundred ninety-seven thousand, three hundred ninety-two".