79194151 has 2 divisors, whose sum is σ = 79194152. Its totient is φ = 79194150.

The previous prime is 79194149. The next prime is 79194161. The reversal of 79194151 is 15149197.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79194151 - 2¹ = 79194149 is a prime.

It is a super-2 number, since 2×79194151² = 12543427105221602, which contains 22 as substring.

Together with 79194149, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 79194151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79194121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39597075 + 39597076.

It is an arithmetic number, because the mean of its divisors is an integer number (39597076).

Almost surely, 2^79194151 is an apocalyptic number.

79194151 is a deficient number, since it is larger than the sum of its proper divisors (1).

79194151 is an equidigital number, since it uses as much as digits as its factorization.

79194151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 37.

The square root of 79194151 is about 8899.1095621978. The cubic root of 79194151 is about 429.4352618740.

The spelling of 79194151 in words is "seventy-nine million, one hundred ninety-four thousand, one hundred fifty-one".