2167028985 has 64 divisors (see below), whose sum is σ = 3877300224. Its totient is φ = 1024665600.

The previous prime is 2167028977. The next prime is 2167028993. The reversal of 2167028985 is 5898207612.

It is an interprime number because it is at equal distance from previous prime (2167028977) and next prime (2167028993).

It is not a de Polignac number, because 2167028985 - 2³ = 2167028977 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1135402 + ... + 1137308.

It is an arithmetic number, because the mean of its divisors is an integer number (60582816).

Almost surely, 2^2167028985 is an apocalyptic number.

It is an amenable number.

2167028985 is a deficient number, since it is larger than the sum of its proper divisors (1710271239).

2167028985 is a wasteful number, since it uses less digits than its factorization.

2167028985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2094.

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 2167028985 is about 46551.3585730857. The cubic root of 2167028985 is about 1294.0614707143.

The spelling of 2167028985 in words is "two billion, one hundred sixty-seven million, twenty-eight thousand, nine hundred eighty-five".