2995981378 has 32 divisors (see below), whose sum is σ = 4873841280. Its totient is φ = 1373034240.

The previous prime is 2995981369. The next prime is 2995981381. The reversal of 2995981378 is 8731895992.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4053733 + ... + 4054471.

It is an arithmetic number, because the mean of its divisors is an integer number (152307540).

Almost surely, 2^2995981378 is an apocalyptic number.

2995981378 is a deficient number, since it is larger than the sum of its proper divisors (1877859902).

2995981378 is a wasteful number, since it uses less digits than its factorization.

2995981378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642.

The product of its digits is 9797760, while the sum is 61.

The square root of 2995981378 is about 54735.5586250839. The cubic root of 2995981378 is about 1441.6052985620.

The spelling of 2995981378 in words is "two billion, nine hundred ninety-five million, nine hundred eighty-one thousand, three hundred seventy-eight".