2878379982 has 32 divisors (see below), whose sum is σ = 6419036160. Its totient is φ = 956064600.

The previous prime is 2878379927. The next prime is 2878379983. The reversal of 2878379982 is 2899738782.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2878379983) by changing a digit.

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, 78894 + ... + 109457.

It is an arithmetic number, because the mean of its divisors is an integer number (200594880).

Almost surely, 2^2878379982 is an apocalyptic number.

2878379982 is an abundant number, since it is smaller than the sum of its proper divisors (3540656178).

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

2878379982 is a wasteful number, since it uses less digits than its factorization.

2878379982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188645 (or 188639 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 63.

The square root of 2878379982 is about 53650.5357102797. The cubic root of 2878379982 is about 1422.4905017985.

The spelling of 2878379982 in words is "two billion, eight hundred seventy-eight million, three hundred seventy-nine thousand, nine hundred eighty-two".