2820172675 has 6 divisors (see below), whose sum is σ = 3497014148. Its totient is φ = 2256138120.

The previous prime is 2820172633. The next prime is 2820172681. The reversal of 2820172675 is 5762710282.

It is a happy number.

It is not a de Polignac number, because 2820172675 - 2²⁵ = 2786618243 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56403429 + ... + 56403478.

Almost surely, 2^2820172675 is an apocalyptic number.

2820172675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2820172675 is a deficient number, since it is larger than the sum of its proper divisors (676841473).

2820172675 is a wasteful number, since it uses less digits than its factorization.

2820172675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112806917 (or 112806912 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 2820172675 is about 53105.2979937030. The cubic root of 2820172675 is about 1412.8364802584.

The spelling of 2820172675 in words is "two billion, eight hundred twenty million, one hundred seventy-two thousand, six hundred seventy-five".