2397906977 has 2 divisors, whose sum is σ = 2397906978. Its totient is φ = 2397906976.

The previous prime is 2397906943. The next prime is 2397906983. The reversal of 2397906977 is 7796097932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1265651776 + 1132255201 = 35576^2 + 33649^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2397906977 is a prime.

It is not a weakly prime, because it can be changed into another prime (2397906937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1198953488 + 1198953489.

It is an arithmetic number, because the mean of its divisors is an integer number (1198953489).

Almost surely, 2^2397906977 is an apocalyptic number.

It is an amenable number.

2397906977 is a deficient number, since it is larger than the sum of its proper divisors (1).

2397906977 is an equidigital number, since it uses as much as digits as its factorization.

2397906977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9001692, while the sum is 59.

The square root of 2397906977 is about 48968.4283697159. The cubic root of 2397906977 is about 1338.4765818125.

The spelling of 2397906977 in words is "two billion, three hundred ninety-seven million, nine hundred six thousand, nine hundred seventy-seven".