76956889 has 2 divisors, whose sum is σ = 76956890. Its totient is φ = 76956888.

The previous prime is 76956881. The next prime is 76956931. The reversal of 76956889 is 98865967.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44089600 + 32867289 = 6640^2 + 5733^2 .

It is a cyclic number.

It is not a de Polignac number, because 76956889 - 2³ = 76956881 is a prime.

It is not a weakly prime, because it can be changed into another prime (76956881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38478444 + 38478445.

It is an arithmetic number, because the mean of its divisors is an integer number (38478445).

Almost surely, 2^76956889 is an apocalyptic number.

It is an amenable number.

76956889 is a deficient number, since it is larger than the sum of its proper divisors (1).

76956889 is an equidigital number, since it uses as much as digits as its factorization.

76956889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6531840, while the sum is 58.

The square root of 76956889 is about 8772.5075662549. The cubic root of 76956889 is about 425.3526742749.

The spelling of 76956889 in words is "seventy-six million, nine hundred fifty-six thousand, eight hundred eighty-nine".