2878369830 has 160 divisors (see below), whose sum is σ = 8893209600. Its totient is φ = 654350400.

The previous prime is 2878369777. The next prime is 2878369849. The reversal of 2878369830 is 389638782.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent 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 79 ways as a sum of consecutive naturals, for example, 1127055 + ... + 1129605.

It is an arithmetic number, because the mean of its divisors is an integer number (55582560).

Almost surely, 2^2878369830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2878369830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4446604800).

2878369830 is an abundant number, since it is smaller than the sum of its proper divisors (6014839770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2878369830 is a wasteful number, since it uses less digits than its factorization.

2878369830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2776 (or 2767 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The square root of 2878369830 is about 53650.4410979071. The cubic root of 2878369830 is about 1422.4888294295.

The spelling of 2878369830 in words is "two billion, eight hundred seventy-eight million, three hundred sixty-nine thousand, eight hundred thirty".