76789313 has 2 divisors, whose sum is σ = 76789314. Its totient is φ = 76789312.

The previous prime is 76789309. The next prime is 76789397. The reversal of 76789313 is 31398767.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70174129 + 6615184 = 8377^2 + 2572^2 .

It is a cyclic number.

It is not a de Polignac number, because 76789313 - 2² = 76789309 is a prime.

It is not a weakly prime, because it can be changed into another prime (76782313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38394656 + 38394657.

It is an arithmetic number, because the mean of its divisors is an integer number (38394657).

Almost surely, 2^76789313 is an apocalyptic number.

It is an amenable number.

76789313 is a deficient number, since it is larger than the sum of its proper divisors (1).

76789313 is an equidigital number, since it uses as much as digits as its factorization.

76789313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 190512, while the sum is 44.

The square root of 76789313 is about 8762.9511581430. The cubic root of 76789313 is about 425.0437103832.

The spelling of 76789313 in words is "seventy-six million, seven hundred eighty-nine thousand, three hundred thirteen".