79973351 has 2 divisors, whose sum is σ = 79973352. Its totient is φ = 79973350.

The previous prime is 79973293. The next prime is 79973357. The reversal of 79973351 is 15337997.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79973351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79973357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39986675 + 39986676.

It is an arithmetic number, because the mean of its divisors is an integer number (39986676).

Almost surely, 2^79973351 is an apocalyptic number.

79973351 is a deficient number, since it is larger than the sum of its proper divisors (1).

79973351 is an equidigital number, since it uses as much as digits as its factorization.

79973351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 178605, while the sum is 44.

The square root of 79973351 is about 8942.7820615287. The cubic root of 79973351 is about 430.8390880845.

The spelling of 79973351 in words is "seventy-nine million, nine hundred seventy-three thousand, three hundred fifty-one".