232813979077 has 2 divisors, whose sum is σ = 232813979078. Its totient is φ = 232813979076.

The previous prime is 232813979063. The next prime is 232813979113. The reversal of 232813979077 is 770979318232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 179448820996 + 53365158081 = 423614^2 + 231009^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232813979077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232813979477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116406989538 + 116406989539.

It is an arithmetic number, because the mean of its divisors is an integer number (116406989539).

Almost surely, 2^232813979077 is an apocalyptic number.

It is an amenable number.

232813979077 is a deficient number, since it is larger than the sum of its proper divisors (1).

232813979077 is an equidigital number, since it uses as much as digits as its factorization.

232813979077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8001504, while the sum is 58.

The spelling of 232813979077 in words is "two hundred thirty-two billion, eight hundred thirteen million, nine hundred seventy-nine thousand, seventy-seven".