7950279157 has 2 divisors, whose sum is σ = 7950279158. Its totient is φ = 7950279156.

The previous prime is 7950279149. The next prime is 7950279191. The reversal of 7950279157 is 7519720597.

7950279157 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4225130001 + 3725149156 = 65001^2 + 61034^2 .

It is an emirp because it is prime and its reverse (7519720597) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7950279157 - 2³ = 7950279149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7950270157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3975139578 + 3975139579.

It is an arithmetic number, because the mean of its divisors is an integer number (3975139579).

Almost surely, 2^7950279157 is an apocalyptic number.

It is an amenable number.

7950279157 is a deficient number, since it is larger than the sum of its proper divisors (1).

7950279157 is an equidigital number, since it uses as much as digits as its factorization.

7950279157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1389150, while the sum is 52.

The square root of 7950279157 is about 89164.3379216153. The cubic root of 7950279157 is about 1995.8479827579.

The spelling of 7950279157 in words is "seven billion, nine hundred fifty million, two hundred seventy-nine thousand, one hundred fifty-seven".