2978979048 has 24 divisors (see below), whose sum is σ = 8068068450. Its totient is φ = 992992992.

The previous prime is 2978979043. The next prime is 2978979053. The reversal of 2978979048 is 8409798792.

It is an interprime number because it is at equal distance from previous prime (2978979043) and next prime (2978979053).

It can be written as a sum of positive squares in only one way, i.e., 2088672804 + 890306244 = 45702^2 + 29838^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (2978979043) 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 5 ways as a sum of consecutive naturals, for example, 20687283 + ... + 20687426.

Almost surely, 2^2978979048 is an apocalyptic number.

It is an amenable number.

2978979048 is an abundant number, since it is smaller than the sum of its proper divisors (5089089402).

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

2978979048 is a wasteful number, since it uses less digits than its factorization.

2978979048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41374721 (or 41374714 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 63.

The square root of 2978979048 is about 54580.0242579646. The cubic root of 2978979048 is about 1438.8730650571.

The spelling of 2978979048 in words is "two billion, nine hundred seventy-eight million, nine hundred seventy-nine thousand, forty-eight".