2978829672 has 64 divisors (see below), whose sum is σ = 9165636480. Its totient is φ = 785624832.

The previous prime is 2978829661. The next prime is 2978829673. The reversal of 2978829672 is 2769288792.

It is not an unprimeable number, because it can be changed into a prime (2978829673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 679783 + ... + 684150.

It is an arithmetic number, because the mean of its divisors is an integer number (143213070).

Almost surely, 2^2978829672 is an apocalyptic number.

It is an amenable number.

2978829672 is an abundant number, since it is smaller than the sum of its proper divisors (6186806808).

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

2978829672 is a wasteful number, since it uses less digits than its factorization.

2978829672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363962 (or 1363958 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 60.

The square root of 2978829672 is about 54578.6558280799. The cubic root of 2978829672 is about 1438.8490146815.

The spelling of 2978829672 in words is "two billion, nine hundred seventy-eight million, eight hundred twenty-nine thousand, six hundred seventy-two".