76516669 has 2 divisors, whose sum is σ = 76516670. Its totient is φ = 76516668.

The previous prime is 76516639. The next prime is 76516673. The reversal of 76516669 is 96661567.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76352644 + 164025 = 8738^2 + 405^2 .

It is a cyclic number.

It is not a de Polignac number, because 76516669 - 2⁵ = 76516637 is a prime.

It is a super-2 number, since 2×76516669² = 11709601269711122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76516639) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38258334 + 38258335.

It is an arithmetic number, because the mean of its divisors is an integer number (38258335).

Almost surely, 2^76516669 is an apocalyptic number.

It is an amenable number.

76516669 is a deficient number, since it is larger than the sum of its proper divisors (1).

76516669 is an equidigital number, since it uses as much as digits as its factorization.

76516669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 46.

The square root of 76516669 is about 8747.3806936705. The cubic root of 76516669 is about 424.5400680731.

The spelling of 76516669 in words is "seventy-six million, five hundred sixteen thousand, six hundred sixty-nine".