2315345936777 has 2 divisors, whose sum is σ = 2315345936778. Its totient is φ = 2315345936776.

The previous prime is 2315345936741. The next prime is 2315345936899. The reversal of 2315345936777 is 7776395435132.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1231631624521 + 1083714312256 = 1109789^2 + 1041016^2 .

It is a cyclic number.

It is not a de Polignac number, because 2315345936777 - 2³⁶ = 2246626460041 is a prime.

It is a super-2 number, since 2×2315345936777² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2315345936677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1157672968388 + 1157672968389.

It is an arithmetic number, because the mean of its divisors is an integer number (1157672968389).

Almost surely, 2^{2315345936777} is an apocalyptic number.

It is an amenable number.

2315345936777 is a deficient number, since it is larger than the sum of its proper divisors (1).

2315345936777 is an equidigital number, since it uses as much as digits as its factorization.

2315345936777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100018800, while the sum is 62.

The spelling of 2315345936777 in words is "two trillion, three hundred fifteen billion, three hundred forty-five million, nine hundred thirty-six thousand, seven hundred seventy-seven".