979222387 has 12 divisors (see below), whose sum is σ = 1159132240. Its totient is φ = 821723760.

The previous prime is 979222373. The next prime is 979222397. The reversal of 979222387 is 783222979.

It is not a de Polignac number, because 979222387 - 2⁷ = 979222259 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 979222387.

It is not an unprimeable number, because it can be changed into a prime (979222357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 309687 + ... + 312832.

Almost surely, 2^979222387 is an apocalyptic number.

979222387 is a deficient number, since it is larger than the sum of its proper divisors (179909853).

979222387 is a wasteful number, since it uses less digits than its factorization.

979222387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622554 (or 622543 counting only the distinct ones).

The product of its digits is 762048, while the sum is 49.

The square root of 979222387 is about 31292.5292522033. The cubic root of 979222387 is about 993.0255998257.

The spelling of 979222387 in words is "nine hundred seventy-nine million, two hundred twenty-two thousand, three hundred eighty-seven".