61791328223 has 8 divisors (see below), whose sum is σ = 63036763248. Its totient is φ = 60556676544.

The previous prime is 61791328163. The next prime is 61791328231. The reversal of 61791328223 is 32282319716.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61791328223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61791324223) 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, 2684261 + ... + 2707182.

It is an arithmetic number, because the mean of its divisors is an integer number (7879595406).

Almost surely, 2^61791328223 is an apocalyptic number.

61791328223 is a deficient number, since it is larger than the sum of its proper divisors (1245435025).

61791328223 is a wasteful number, since it uses less digits than its factorization.

61791328223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5391673.

The product of its digits is 217728, while the sum is 44.

The spelling of 61791328223 in words is "sixty-one billion, seven hundred ninety-one million, three hundred twenty-eight thousand, two hundred twenty-three".