76996081 has 2 divisors, whose sum is σ = 76996082. Its totient is φ = 76996080.

The previous prime is 76996067. The next prime is 76996099. The reversal of 76996081 is 18069967.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53802225 + 23193856 = 7335^2 + 4816^2 .

It is a cyclic number.

It is not a de Polignac number, because 76996081 - 2⁷ = 76995953 is a prime.

It is a super-2 number, since 2×76996081² = 11856792978717122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (76996061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38498040 + 38498041.

It is an arithmetic number, because the mean of its divisors is an integer number (38498041).

Almost surely, 2^76996081 is an apocalyptic number.

It is an amenable number.

76996081 is a deficient number, since it is larger than the sum of its proper divisors (1).

76996081 is an equidigital number, since it uses as much as digits as its factorization.

76996081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 76996081 is about 8774.7410788011. The cubic root of 76996081 is about 425.4248687772.

The spelling of 76996081 in words is "seventy-six million, nine hundred ninety-six thousand, eighty-one".