2316809977 has 2 divisors, whose sum is σ = 2316809978. Its totient is φ = 2316809976.

The previous prime is 2316809947. The next prime is 2316809993. The reversal of 2316809977 is 7799086132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1961072656 + 355737321 = 44284^2 + 18861^2 .

It is a cyclic number.

It is not a de Polignac number, because 2316809977 - 2¹⁹ = 2316285689 is a prime.

It is not a weakly prime, because it can be changed into another prime (2316809947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1158404988 + 1158404989.

It is an arithmetic number, because the mean of its divisors is an integer number (1158404989).

Almost surely, 2^2316809977 is an apocalyptic number.

It is an amenable number.

2316809977 is a deficient number, since it is larger than the sum of its proper divisors (1).

2316809977 is an equidigital number, since it uses as much as digits as its factorization.

2316809977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1143072, while the sum is 52.

The square root of 2316809977 is about 48133.2523002550. The cubic root of 2316809977 is about 1323.2141555410.

It can be divided in two parts, 23 and 16809977, that added together give a square (16810000 = 4100²).

The spelling of 2316809977 in words is "two billion, three hundred sixteen million, eight hundred nine thousand, nine hundred seventy-seven".