7979000287 has 16 divisors (see below), whose sum is σ = 8171118720. Its totient is φ = 7788983328.

The previous prime is 7979000273. The next prime is 7979000299. The reversal of 7979000287 is 7820009797.

7979000287 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7979000287 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 7979000287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7979000257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10138108 + ... + 10138894.

It is an arithmetic number, because the mean of its divisors is an integer number (510694920).

Almost surely, 2^7979000287 is an apocalyptic number.

7979000287 is the 44663-rd decagonal number.

7979000287 is a deficient number, since it is larger than the sum of its proper divisors (192118433).

7979000287 is a wasteful number, since it uses less digits than its factorization.

7979000287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830.

The product of its (nonzero) digits is 444528, while the sum is 49.

The square root of 7979000287 is about 89325.2499968514. The cubic root of 7979000287 is about 1998.2484904716.

The spelling of 7979000287 in words is "seven billion, nine hundred seventy-nine million, two hundred eighty-seven", and thus it is an aban number.