61791179 has 4 divisors (see below), whose sum is σ = 64477776. Its totient is φ = 59104584.

The previous prime is 61791161. The next prime is 61791203. The reversal of 61791179 is 97119716.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61791179 - 2²⁰ = 60742603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61791679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1343264 + ... + 1343309.

It is an arithmetic number, because the mean of its divisors is an integer number (16119444).

Almost surely, 2^61791179 is an apocalyptic number.

61791179 is a deficient number, since it is larger than the sum of its proper divisors (2686597).

61791179 is a wasteful number, since it uses less digits than its factorization.

61791179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2686596.

The product of its digits is 23814, while the sum is 41.

The square root of 61791179 is about 7860.7365430982. The cubic root of 61791179 is about 395.3443112261.

The spelling of 61791179 in words is "sixty-one million, seven hundred ninety-one thousand, one hundred seventy-nine".