7792664137 has 2 divisors, whose sum is σ = 7792664138. Its totient is φ = 7792664136.

The previous prime is 7792664107. The next prime is 7792664141. The reversal of 7792664137 is 7314662977.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7740304441 + 52359696 = 87979^2 + 7236^2 .

It is a cyclic number.

It is not a de Polignac number, because 7792664137 - 2¹⁵ = 7792631369 is a prime.

It is a super-2 number, since 2×7792664137² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7792664107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3896332068 + 3896332069.

It is an arithmetic number, because the mean of its divisors is an integer number (3896332069).

Almost surely, 2^7792664137 is an apocalyptic number.

It is an amenable number.

7792664137 is a deficient number, since it is larger than the sum of its proper divisors (1).

7792664137 is an equidigital number, since it uses as much as digits as its factorization.

7792664137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2667168, while the sum is 52.

The square root of 7792664137 is about 88276.0677477197. The cubic root of 7792664137 is about 1982.5705599607.

The spelling of 7792664137 in words is "seven billion, seven hundred ninety-two million, six hundred sixty-four thousand, one hundred thirty-seven".