76502140769 has 2 divisors, whose sum is σ = 76502140770. Its totient is φ = 76502140768.

The previous prime is 76502140739. The next prime is 76502140777. The reversal of 76502140769 is 96704120567.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49768255744 + 26733885025 = 223088^2 + 163505^2 .

It is a cyclic number.

It is not a de Polignac number, because 76502140769 - 2²⁴ = 76485363553 is a prime.

It is a super-2 number, since 2×76502140769² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (76502140739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38251070384 + 38251070385.

It is an arithmetic number, because the mean of its divisors is an integer number (38251070385).

Almost surely, 2^76502140769 is an apocalyptic number.

It is an amenable number.

76502140769 is a deficient number, since it is larger than the sum of its proper divisors (1).

76502140769 is an equidigital number, since it uses as much as digits as its factorization.

76502140769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 76502140769 in words is "seventy-six billion, five hundred two million, one hundred forty thousand, seven hundred sixty-nine".