59991444287 has 2 divisors, whose sum is σ = 59991444288. Its totient is φ = 59991444286.

The previous prime is 59991444277. The next prime is 59991444329. The reversal of 59991444287 is 78244419995.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 59991444287 - 2⁸ = 59991444031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (59991444217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29995722143 + 29995722144.

It is an arithmetic number, because the mean of its divisors is an integer number (29995722144).

Almost surely, 2^59991444287 is an apocalyptic number.

59991444287 is a deficient number, since it is larger than the sum of its proper divisors (1).

59991444287 is an equidigital number, since it uses as much as digits as its factorization.

59991444287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26127360, while the sum is 62.

The spelling of 59991444287 in words is "fifty-nine billion, nine hundred ninety-one million, four hundred forty-four thousand, two hundred eighty-seven".