76955993 has 2 divisors, whose sum is σ = 76955994. Its totient is φ = 76955992.

The previous prime is 76955959. The next prime is 76956007. The reversal of 76955993 is 39955967.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56957209 + 19998784 = 7547^2 + 4472^2 .

It is a cyclic number.

It is not a de Polignac number, because 76955993 - 2⁸ = 76955737 is a prime.

It is not a weakly prime, because it can be changed into another prime (76955093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38477996 + 38477997.

It is an arithmetic number, because the mean of its divisors is an integer number (38477997).

Almost surely, 2^76955993 is an apocalyptic number.

It is an amenable number.

76955993 is a deficient number, since it is larger than the sum of its proper divisors (1).

76955993 is an equidigital number, since it uses as much as digits as its factorization.

76955993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2296350, while the sum is 53.

The square root of 76955993 is about 8772.4564974698. The cubic root of 76955993 is about 425.3510234915.

The spelling of 76955993 in words is "seventy-six million, nine hundred fifty-five thousand, nine hundred ninety-three".