2889974278 has 4 divisors (see below), whose sum is σ = 4334961420. Its totient is φ = 1444987138.

The previous prime is 2889974249. The next prime is 2889974293. The reversal of 2889974278 is 8724799882.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722493568 + ... + 722493571.

It is an arithmetic number, because the mean of its divisors is an integer number (1083740355).

Almost surely, 2^2889974278 is an apocalyptic number.

2889974278 is a deficient number, since it is larger than the sum of its proper divisors (1444987142).

2889974278 is a wasteful number, since it uses less digits than its factorization.

2889974278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444987141.

The product of its digits is 32514048, while the sum is 64.

The square root of 2889974278 is about 53758.4809867243. The cubic root of 2889974278 is about 1424.3979035099.

The spelling of 2889974278 in words is "two billion, eight hundred eighty-nine million, nine hundred seventy-four thousand, two hundred seventy-eight".