79828933 has 2 divisors, whose sum is σ = 79828934. Its totient is φ = 79828932.

The previous prime is 79828919. The next prime is 79828939. The reversal of 79828933 is 33982897.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40678884 + 39150049 = 6378^2 + 6257^2 .

It is a cyclic number.

It is not a de Polignac number, because 79828933 - 2⁵ = 79828901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79828939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39914466 + 39914467.

It is an arithmetic number, because the mean of its divisors is an integer number (39914467).

Almost surely, 2^79828933 is an apocalyptic number.

It is an amenable number.

79828933 is a deficient number, since it is larger than the sum of its proper divisors (1).

79828933 is an equidigital number, since it uses as much as digits as its factorization.

79828933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 49.

The square root of 79828933 is about 8934.7038563122. The cubic root of 79828933 is about 430.5795915995.

The spelling of 79828933 in words is "seventy-nine million, eight hundred twenty-eight thousand, nine hundred thirty-three".