79020587 has 2 divisors, whose sum is σ = 79020588. Its totient is φ = 79020586.

The previous prime is 79020577. The next prime is 79020629. The reversal of 79020587 is 78502097.

It is a weak prime.

It is an emirp because it is prime and its reverse (78502097) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79020587 - 2⁶ = 79020523 is a prime.

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 79020587.

It is not a weakly prime, because it can be changed into another prime (79020517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39510293 + 39510294.

It is an arithmetic number, because the mean of its divisors is an integer number (39510294).

Almost surely, 2^79020587 is an apocalyptic number.

79020587 is a deficient number, since it is larger than the sum of its proper divisors (1).

79020587 is an equidigital number, since it uses as much as digits as its factorization.

79020587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 79020587 is about 8889.3524511069. The cubic root of 79020587 is about 429.1213118417.

The spelling of 79020587 in words is "seventy-nine million, twenty thousand, five hundred eighty-seven".