76117961 has 2 divisors, whose sum is σ = 76117962. Its totient is φ = 76117960.

The previous prime is 76117939. The next prime is 76117967. The reversal of 76117961 is 16971167.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73960000 + 2157961 = 8600^2 + 1469^2 .

It is a cyclic number.

It is not a de Polignac number, because 76117961 - 2⁶ = 76117897 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (76117967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38058980 + 38058981.

It is an arithmetic number, because the mean of its divisors is an integer number (38058981).

Almost surely, 2^76117961 is an apocalyptic number.

It is an amenable number.

76117961 is a deficient number, since it is larger than the sum of its proper divisors (1).

76117961 is an equidigital number, since it uses as much as digits as its factorization.

76117961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15876, while the sum is 38.

The square root of 76117961 is about 8724.5607912376. The cubic root of 76117961 is about 423.8013951347.

The spelling of 76117961 in words is "seventy-six million, one hundred seventeen thousand, nine hundred sixty-one".