2978487448 has 32 divisors (see below), whose sum is σ = 5965533360. Its totient is φ = 1389230080.

The previous prime is 2978487403. The next prime is 2978487509. The reversal of 2978487448 is 8447848792.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81538 + ... + 112273.

Almost surely, 2^2978487448 is an apocalyptic number.

It is an amenable number.

2978487448 is an abundant number, since it is smaller than the sum of its proper divisors (2987045912).

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

2978487448 is a wasteful number, since it uses less digits than its factorization.

2978487448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193947 (or 193943 counting only the distinct ones).

The product of its digits is 28901376, while the sum is 61.

The square root of 2978487448 is about 54575.5205930278. The cubic root of 2978487448 is about 1438.7939116626.

The spelling of 2978487448 in words is "two billion, nine hundred seventy-eight million, four hundred eighty-seven thousand, four hundred forty-eight".