7935722057 has 2 divisors, whose sum is σ = 7935722058. Its totient is φ = 7935722056.

The previous prime is 7935721991. The next prime is 7935722087. The reversal of 7935722057 is 7502275397.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5921148601 + 2014573456 = 76949^2 + 44884^2 .

It is an emirp because it is prime and its reverse (7502275397) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7935722057 - 2²⁴ = 7918944841 is a prime.

It is a super-2 number, since 2×7935722057² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7935722087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3967861028 + 3967861029.

It is an arithmetic number, because the mean of its divisors is an integer number (3967861029).

Almost surely, 2^7935722057 is an apocalyptic number.

It is an amenable number.

7935722057 is a deficient number, since it is larger than the sum of its proper divisors (1).

7935722057 is an equidigital number, since it uses as much as digits as its factorization.

7935722057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 926100, while the sum is 47.

The square root of 7935722057 is about 89082.6697904817. The cubic root of 7935722057 is about 1994.6290943473.

The spelling of 7935722057 in words is "seven billion, nine hundred thirty-five million, seven hundred twenty-two thousand, fifty-seven".