2297832978 has 64 divisors (see below), whose sum is σ = 5404716288. Its totient is φ = 637528320.

The previous prime is 2297832937. The next prime is 2297832983. The reversal of 2297832978 is 8792387922.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1026076 + ... + 1028312.

It is an arithmetic number, because the mean of its divisors is an integer number (84448692).

Almost surely, 2^2297832978 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2297832978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2702358144).

2297832978 is an abundant number, since it is smaller than the sum of its proper divisors (3106883310).

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

2297832978 is a wasteful number, since it uses less digits than its factorization.

2297832978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2947.

The product of its digits is 6096384, while the sum is 57.

The square root of 2297832978 is about 47935.7171428571. The cubic root of 2297832978 is about 1319.5914288766.

The spelling of 2297832978 in words is "two billion, two hundred ninety-seven million, eight hundred thirty-two thousand, nine hundred seventy-eight".