1879809225 has 48 divisors (see below), whose sum is σ = 3586532352. Its totient is φ = 850973760.

The previous prime is 1879809209. The next prime is 1879809229. The reversal of 1879809225 is 5229089781.

It is not a de Polignac number, because 1879809225 - 2⁴ = 1879809209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1879809229) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36694 + ... + 71456.

It is an arithmetic number, because the mean of its divisors is an integer number (74719424).

Almost surely, 2^1879809225 is an apocalyptic number.

1879809225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1879809225 is a deficient number, since it is larger than the sum of its proper divisors (1706723127).

1879809225 is a wasteful number, since it uses less digits than its factorization.

1879809225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34886 (or 34881 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 51.

The square root of 1879809225 is about 43356.7667729041. The cubic root of 1879809225 is about 1234.1594098513.

The spelling of 1879809225 in words is "one billion, eight hundred seventy-nine million, eight hundred nine thousand, two hundred twenty-five".