2147994875 has 64 divisors (see below), whose sum is σ = 2973210240. Its totient is φ = 1539648000.

The previous prime is 2147994847. The next prime is 2147994883. The reversal of 2147994875 is 5784997412.

It is a happy number.

It is not a de Polignac number, because 2147994875 - 2²⁴ = 2131217659 is a prime.

It is a super-2 number, since 2×2147994875² = 9227763966052531250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2147994875.

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, 11867285 + ... + 11867465.

It is an arithmetic number, because the mean of its divisors is an integer number (46456410).

Almost surely, 2^2147994875 is an apocalyptic number.

2147994875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2147994875 is a deficient number, since it is larger than the sum of its proper divisors (825215365).

2147994875 is a wasteful number, since it uses less digits than its factorization.

2147994875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385 (or 375 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 56.

The square root of 2147994875 is about 46346.4656149744. The cubic root of 2147994875 is about 1290.2615248067.

The spelling of 2147994875 in words is "two billion, one hundred forty-seven million, nine hundred ninety-four thousand, eight hundred seventy-five".