76982117 has 2 divisors, whose sum is σ = 76982118. Its totient is φ = 76982116.

The previous prime is 76982093. The next prime is 76982119. The reversal of 76982117 is 71128967.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59459521 + 17522596 = 7711^2 + 4186^2 .

It is a cyclic number.

It is not a de Polignac number, because 76982117 - 2²⁰ = 75933541 is a prime.

Together with 76982119, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76982119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38491058 + 38491059.

It is an arithmetic number, because the mean of its divisors is an integer number (38491059).

Almost surely, 2^76982117 is an apocalyptic number.

It is an amenable number.

76982117 is a deficient number, since it is larger than the sum of its proper divisors (1).

76982117 is an equidigital number, since it uses as much as digits as its factorization.

76982117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 41.

The square root of 76982117 is about 8773.9453497272. The cubic root of 76982117 is about 425.3991488879.

The spelling of 76982117 in words is "seventy-six million, nine hundred eighty-two thousand, one hundred seventeen".