76961161 has 2 divisors, whose sum is σ = 76961162. Its totient is φ = 76961160.

The previous prime is 76961117. The next prime is 76961167. The reversal of 76961161 is 16116967.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58813561 + 18147600 = 7669^2 + 4260^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76961161 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 76961161.

It is not a weakly prime, because it can be changed into another prime (76961167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38480580 + 38480581.

It is an arithmetic number, because the mean of its divisors is an integer number (38480581).

Almost surely, 2^76961161 is an apocalyptic number.

It is an amenable number.

76961161 is a deficient number, since it is larger than the sum of its proper divisors (1).

76961161 is an equidigital number, since it uses as much as digits as its factorization.

76961161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 37.

The square root of 76961161 is about 8772.7510508392. The cubic root of 76961161 is about 425.3605447984.

The spelling of 76961161 in words is "seventy-six million, nine hundred sixty-one thousand, one hundred sixty-one".