59879681 has 2 divisors, whose sum is σ = 59879682. Its totient is φ = 59879680.

The previous prime is 59879663. The next prime is 59879683. The reversal of 59879681 is 18697895.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59367025 + 512656 = 7705^2 + 716^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-59879681 is a prime.

It is a super-2 number, since 2×59879681² = 7171152393323522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 59879683, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (59879683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29939840 + 29939841.

It is an arithmetic number, because the mean of its divisors is an integer number (29939841).

Almost surely, 2^59879681 is an apocalyptic number.

It is an amenable number.

59879681 is a deficient number, since it is larger than the sum of its proper divisors (1).

59879681 is an equidigital number, since it uses as much as digits as its factorization.

59879681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 53.

The square root of 59879681 is about 7738.1962368500. The cubic root of 59879681 is about 391.2249040237.

The spelling of 59879681 in words is "fifty-nine million, eight hundred seventy-nine thousand, six hundred eighty-one".