107790831391 has 2 divisors, whose sum is σ = 107790831392. Its totient is φ = 107790831390.

The previous prime is 107790831377. The next prime is 107790831461. The reversal of 107790831391 is 193138097701.

It is a weak prime.

It is an emirp because it is prime and its reverse (193138097701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 107790831391 - 2⁹ = 107790830879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (107790831301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53895415695 + 53895415696.

It is an arithmetic number, because the mean of its divisors is an integer number (53895415696).

Almost surely, 2^107790831391 is an apocalyptic number.

107790831391 is a deficient number, since it is larger than the sum of its proper divisors (1).

107790831391 is an equidigital number, since it uses as much as digits as its factorization.

107790831391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 285768, while the sum is 49.

The spelling of 107790831391 in words is "one hundred seven billion, seven hundred ninety million, eight hundred thirty-one thousand, three hundred ninety-one".