61786868942 has 8 divisors (see below), whose sum is σ = 93580112496. Its totient is φ = 30593498112.

The previous prime is 61786868929. The next prime is 61786868999. The reversal of 61786868942 is 24986868716.

61786868942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149967923 + ... + 149968334.

It is an arithmetic number, because the mean of its divisors is an integer number (11697514062).

Almost surely, 2^61786868942 is an apocalyptic number.

61786868942 is a deficient number, since it is larger than the sum of its proper divisors (31793243554).

61786868942 is a wasteful number, since it uses less digits than its factorization.

61786868942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299936362.

The product of its digits is 55738368, while the sum is 65.

The spelling of 61786868942 in words is "sixty-one billion, seven hundred eighty-six million, eight hundred sixty-eight thousand, nine hundred forty-two".