78952793 has 2 divisors, whose sum is σ = 78952794. Its totient is φ = 78952792.

The previous prime is 78952759. The next prime is 78952801. The reversal of 78952793 is 39725987.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61042969 + 17909824 = 7813^2 + 4232^2 .

It is a cyclic number.

It is not a de Polignac number, because 78952793 - 2⁶ = 78952729 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (78951793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39476396 + 39476397.

It is an arithmetic number, because the mean of its divisors is an integer number (39476397).

Almost surely, 2^78952793 is an apocalyptic number.

It is an amenable number.

78952793 is a deficient number, since it is larger than the sum of its proper divisors (1).

78952793 is an equidigital number, since it uses as much as digits as its factorization.

78952793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 952560, while the sum is 50.

The square root of 78952793 is about 8885.5384192518. The cubic root of 78952793 is about 428.9985582874.

The spelling of 78952793 in words is "seventy-eight million, nine hundred fifty-two thousand, seven hundred ninety-three".