39468608077 has 2 divisors, whose sum is σ = 39468608078. Its totient is φ = 39468608076.

The previous prime is 39468608041. The next prime is 39468608083. The reversal of 39468608077 is 77080686493.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26395201156 + 13073406921 = 162466^2 + 114339^2 .

It is a cyclic number.

It is not a de Polignac number, because 39468608077 - 2¹⁵ = 39468575309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39468608177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19734304038 + 19734304039.

It is an arithmetic number, because the mean of its divisors is an integer number (19734304039).

Almost surely, 2^39468608077 is an apocalyptic number.

It is an amenable number.

39468608077 is a deficient number, since it is larger than the sum of its proper divisors (1).

39468608077 is an equidigital number, since it uses as much as digits as its factorization.

39468608077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12192768, while the sum is 58.

The spelling of 39468608077 in words is "thirty-nine billion, four hundred sixty-eight million, six hundred eight thousand, seventy-seven".