23586780977 has 2 divisors, whose sum is σ = 23586780978. Its totient is φ = 23586780976.

The previous prime is 23586780949. The next prime is 23586781007. The reversal of 23586780977 is 77908768532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12778267681 + 10808513296 = 113041^2 + 103964^2 .

It is a cyclic number.

It is not a de Polignac number, because 23586780977 - 2²² = 23582586673 is a prime.

It is not a weakly prime, because it can be changed into another prime (23586788977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11793390488 + 11793390489.

It is an arithmetic number, because the mean of its divisors is an integer number (11793390489).

Almost surely, 2^23586780977 is an apocalyptic number.

It is an amenable number.

23586780977 is a deficient number, since it is larger than the sum of its proper divisors (1).

23586780977 is an equidigital number, since it uses as much as digits as its factorization.

23586780977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35562240, while the sum is 62.

The spelling of 23586780977 in words is "twenty-three billion, five hundred eighty-six million, seven hundred eighty thousand, nine hundred seventy-seven".