61136296879 has 8 divisors (see below), whose sum is σ = 72123926528. Its totient is φ = 50712135480.

The previous prime is 61136296867. The next prime is 61136296883. The reversal of 61136296879 is 97869263116.

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

It is a cyclic number.

It is not a de Polignac number, because 61136296879 - 2¹⁷ = 61136165807 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 (61136296829) 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, 140866827 + ... + 140867260.

It is an arithmetic number, because the mean of its divisors is an integer number (9015490816).

Almost surely, 2^61136296879 is an apocalyptic number.

61136296879 is a deficient number, since it is larger than the sum of its proper divisors (10987629649).

61136296879 is a wasteful number, since it uses less digits than its factorization.

61136296879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281734125.

The product of its digits is 5878656, while the sum is 58.

The spelling of 61136296879 in words is "sixty-one billion, one hundred thirty-six million, two hundred ninety-six thousand, eight hundred seventy-nine".