59661774479 has 4 divisors (see below), whose sum is σ = 60931173984. Its totient is φ = 58392374976.

The previous prime is 59661774451. The next prime is 59661774509. The reversal of 59661774479 is 97447716695.

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 59661774479 - 2⁸ = 59661774223 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 (59661774979) 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, 634699682 + ... + 634699775.

It is an arithmetic number, because the mean of its divisors is an integer number (15232793496).

Almost surely, 2^59661774479 is an apocalyptic number.

59661774479 is a deficient number, since it is larger than the sum of its proper divisors (1269399505).

59661774479 is a wasteful number, since it uses less digits than its factorization.

59661774479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269399504.

The product of its digits is 80015040, while the sum is 65.

The spelling of 59661774479 in words is "fifty-nine billion, six hundred sixty-one million, seven hundred seventy-four thousand, four hundred seventy-nine".