79000087 has 2 divisors, whose sum is σ = 79000088. Its totient is φ = 79000086.

The previous prime is 79000021. The next prime is 79000093. The reversal of 79000087 is 78000097.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79000087 - 2⁷ = 78999959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79000007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39500043 + 39500044.

It is an arithmetic number, because the mean of its divisors is an integer number (39500044).

Almost surely, 2^79000087 is an apocalyptic number.

79000087 is a deficient number, since it is larger than the sum of its proper divisors (1).

79000087 is an equidigital number, since it uses as much as digits as its factorization.

79000087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 79000087 is about 8888.1993114466. The cubic root of 79000087 is about 429.0842002144.

The spelling of 79000087 in words is "seventy-nine million, eighty-seven", and thus it is an aban number and an uban number.