76613038669 has 2 divisors, whose sum is σ = 76613038670. Its totient is φ = 76613038668.

The previous prime is 76613038603. The next prime is 76613038673. The reversal of 76613038669 is 96683031667.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49045417444 + 27567621225 = 221462^2 + 166035^2 .

It is an emirp because it is prime and its reverse (96683031667) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76613038669 - 2¹³ = 76613030477 is a prime.

It is a super-2 number, since 2×76613038669² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76613038699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38306519334 + 38306519335.

It is an arithmetic number, because the mean of its divisors is an integer number (38306519335).

Almost surely, 2^76613038669 is an apocalyptic number.

It is an amenable number.

76613038669 is a deficient number, since it is larger than the sum of its proper divisors (1).

76613038669 is an equidigital number, since it uses as much as digits as its factorization.

76613038669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5878656, while the sum is 55.

The spelling of 76613038669 in words is "seventy-six billion, six hundred thirteen million, thirty-eight thousand, six hundred sixty-nine".