79381151 has 2 divisors, whose sum is σ = 79381152. Its totient is φ = 79381150.

The previous prime is 79381129. The next prime is 79381157. The reversal of 79381151 is 15118397.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79381151 - 2²⁶ = 12272287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79381157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39690575 + 39690576.

It is an arithmetic number, because the mean of its divisors is an integer number (39690576).

Almost surely, 2^79381151 is an apocalyptic number.

79381151 is a deficient number, since it is larger than the sum of its proper divisors (1).

79381151 is an equidigital number, since it uses as much as digits as its factorization.

79381151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 35.

The square root of 79381151 is about 8909.6100363596. The cubic root of 79381151 is about 429.7730025975.

The spelling of 79381151 in words is "seventy-nine million, three hundred eighty-one thousand, one hundred fifty-one".