2047664875 has 16 divisors (see below), whose sum is σ = 2705811264. Its totient is φ = 1541769600.

The previous prime is 2047664851. The next prime is 2047664881. The reversal of 2047664875 is 5784667402.

It is not a de Polignac number, because 2047664875 - 2⁹ = 2047664363 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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 479679 + ... + 483928.

It is an arithmetic number, because the mean of its divisors is an integer number (169113204).

Almost surely, 2^2047664875 is an apocalyptic number.

2047664875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2047664875 is a deficient number, since it is larger than the sum of its proper divisors (658146389).

2047664875 is an equidigital number, since it uses as much as digits as its factorization.

2047664875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963639 (or 963629 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 49.

The square root of 2047664875 is about 45251.1312013302. The cubic root of 2047664875 is about 1269.8515698562.

The spelling of 2047664875 in words is "two billion, forty-seven million, six hundred sixty-four thousand, eight hundred seventy-five".