2978459874 has 192 divisors, whose sum is σ = 7826232960. Its totient is φ = 808704000.

The previous prime is 2978459873. The next prime is 2978459899. The reversal of 2978459874 is 4789548792.

It is not an unprimeable number, because it can be changed into a prime (2978459873) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11866249 + ... + 11866499.

It is an arithmetic number, because the mean of its divisors is an integer number (40761630).

Almost surely, 2^2978459874 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2978459874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3913116480).

2978459874 is an abundant number, since it is smaller than the sum of its proper divisors (4847773086).

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

2978459874 is a wasteful number, since it uses less digits than its factorization.

2978459874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465 (or 462 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 63.

The square root of 2978459874 is about 54575.2679700247. The cubic root of 2978459874 is about 1438.7894716656.

The spelling of 2978459874 in words is "two billion, nine hundred seventy-eight million, four hundred fifty-nine thousand, eight hundred seventy-four".