2849829978 has 16 divisors (see below), whose sum is σ = 5707799136. Its totient is φ = 948586800.

The previous prime is 2849829953. The next prime is 2849829979. The reversal of 2849829978 is 8799289482.

It is not an unprimeable number, because it can be changed into a prime (2849829979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334576 + ... + 342987.

It is an arithmetic number, because the mean of its divisors is an integer number (356737446).

Almost surely, 2^2849829978 is an apocalyptic number.

2849829978 is an abundant number, since it is smaller than the sum of its proper divisors (2857969158).

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

2849829978 is a wasteful number, since it uses less digits than its factorization.

2849829978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678269.

The product of its digits is 41803776, while the sum is 66.

The square root of 2849829978 is about 53383.7988344779. The cubic root of 2849829978 is about 1417.7717446347.

The spelling of 2849829978 in words is "two billion, eight hundred forty-nine million, eight hundred twenty-nine thousand, nine hundred seventy-eight".