2879781025 has 24 divisors (see below), whose sum is σ = 3959443008. Its totient is φ = 2060040000.

The previous prime is 2879781019. The next prime is 2879781041. The reversal of 2879781025 is 5201879782.

It is not a de Polignac number, because 2879781025 - 2⁹ = 2879780513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2879781025.

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 23 ways as a sum of consecutive naturals, for example, 69061 + ... + 102610.

It is an arithmetic number, because the mean of its divisors is an integer number (164976792).

Almost surely, 2^2879781025 is an apocalyptic number.

2879781025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2879781025 is a deficient number, since it is larger than the sum of its proper divisors (1079661983).

2879781025 is a wasteful number, since it uses less digits than its factorization.

2879781025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171753 (or 171748 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 49.

The square root of 2879781025 is about 53663.5912421075. The cubic root of 2879781025 is about 1422.7212620529.

The spelling of 2879781025 in words is "two billion, eight hundred seventy-nine million, seven hundred eighty-one thousand, twenty-five".