2279491875 has 70 divisors (see below), whose sum is σ = 4271579532. Its totient is φ = 1215486000.

The previous prime is 2279491861. The next prime is 2279491933. The reversal of 2279491875 is 5781949722.

2279491875 is a `hidden beast` number, since 2 + 2 + 79 + 491 + 87 + 5 = 666.

2279491875 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2279491875 - 2⁶ = 2279491811 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 69 ways as a sum of consecutive naturals, for example, 453124 + ... + 458126.

Almost surely, 2^2279491875 is an apocalyptic number.

2279491875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2279491875 is a deficient number, since it is larger than the sum of its proper divisors (1992087657).

2279491875 is an frugal number, since it uses more digits than its factorization.

2279491875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5041 (or 5011 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 54.

The square root of 2279491875 is about 47744.0244952182. The cubic root of 2279491875 is about 1316.0710911774.

The spelling of 2279491875 in words is "two billion, two hundred seventy-nine million, four hundred ninety-one thousand, eight hundred seventy-five".