116908791977 has 2 divisors, whose sum is σ = 116908791978. Its totient is φ = 116908791976.

The previous prime is 116908791899. The next prime is 116908792003. The reversal of 116908791977 is 779197809611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116256449296 + 652342681 = 340964^2 + 25541^2 .

It is a cyclic number.

It is not a de Polignac number, because 116908791977 - 2¹⁴ = 116908775593 is a prime.

It is not a weakly prime, because it can be changed into another prime (116908731977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58454395988 + 58454395989.

It is an arithmetic number, because the mean of its divisors is an integer number (58454395989).

Almost surely, 2^116908791977 is an apocalyptic number.

It is an amenable number.

116908791977 is a deficient number, since it is larger than the sum of its proper divisors (1).

116908791977 is an equidigital number, since it uses as much as digits as its factorization.

116908791977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12002256, while the sum is 65.

The spelling of 116908791977 in words is "one hundred sixteen billion, nine hundred eight million, seven hundred ninety-one thousand, nine hundred seventy-seven".