961598380027 has 2 divisors, whose sum is σ = 961598380028. Its totient is φ = 961598380026.

The previous prime is 961598380021. The next prime is 961598380069. The reversal of 961598380027 is 720083895169.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-961598380027 is a prime.

It is not a weakly prime, because it can be changed into another prime (961598380021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480799190013 + 480799190014.

It is an arithmetic number, because the mean of its divisors is an integer number (480799190014).

Almost surely, 2^961598380027 is an apocalyptic number.

961598380027 is a deficient number, since it is larger than the sum of its proper divisors (1).

961598380027 is an equidigital number, since it uses as much as digits as its factorization.

961598380027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6531840, while the sum is 58.

The spelling of 961598380027 in words is "nine hundred sixty-one billion, five hundred ninety-eight million, three hundred eighty thousand, twenty-seven".