79189601 has 2 divisors, whose sum is σ = 79189602. Its totient is φ = 79189600.

The previous prime is 79189589. The next prime is 79189603. The reversal of 79189601 is 10698197.

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., 53949025 + 25240576 = 7345^2 + 5024^2 .

It is a cyclic number.

It is not a de Polignac number, because 79189601 - 2¹⁴ = 79173217 is a prime.

Together with 79189603, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_4624898 and since 79189601 and 4624898 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (79189603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39594800 + 39594801.

It is an arithmetic number, because the mean of its divisors is an integer number (39594801).

Almost surely, 2^79189601 is an apocalyptic number.

It is an amenable number.

79189601 is a deficient number, since it is larger than the sum of its proper divisors (1).

79189601 is an equidigital number, since it uses as much as digits as its factorization.

79189601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 41.

The square root of 79189601 is about 8898.8539149713. The cubic root of 79189601 is about 429.4270374962.

The spelling of 79189601 in words is "seventy-nine million, one hundred eighty-nine thousand, six hundred one".