79365887 has 2 divisors, whose sum is σ = 79365888. Its totient is φ = 79365886.

The previous prime is 79365883. The next prime is 79365931. The reversal of 79365887 is 78856397.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79365887 - 2² = 79365883 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79365883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39682943 + 39682944.

It is an arithmetic number, because the mean of its divisors is an integer number (39682944).

Almost surely, 2^79365887 is an apocalyptic number.

79365887 is a deficient number, since it is larger than the sum of its proper divisors (1).

79365887 is an equidigital number, since it uses as much as digits as its factorization.

79365887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2540160, while the sum is 53.

The square root of 79365887 is about 8908.7533920297. The cubic root of 79365887 is about 429.7454541784.

The spelling of 79365887 in words is "seventy-nine million, three hundred sixty-five thousand, eight hundred eighty-seven".