987959179 has 2 divisors, whose sum is σ = 987959180. Its totient is φ = 987959178.

The previous prime is 987959173. The next prime is 987959221. The reversal of 987959179 is 971959789.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 987959179 - 2⁷ = 987959051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 987959179.

It is not a weakly prime, because it can be changed into another prime (987959173) 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, 493979589 + 493979590.

It is an arithmetic number, because the mean of its divisors is an integer number (493979590).

Almost surely, 2^987959179 is an apocalyptic number.

987959179 is a deficient number, since it is larger than the sum of its proper divisors (1).

987959179 is an equidigital number, since it uses as much as digits as its factorization.

987959179 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12859560, while the sum is 64.

The square root of 987959179 is about 31431.8179397883. The cubic root of 987959179 is about 995.9701753272.

The spelling of 987959179 in words is "nine hundred eighty-seven million, nine hundred fifty-nine thousand, one hundred seventy-nine".