2798479780 has 24 divisors (see below), whose sum is σ = 5884748352. Its totient is φ = 1117879392.

The previous prime is 2798479763. The next prime is 2798479823. The reversal of 2798479780 is 879748972.

2798479780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79302 + ... + 109021.

It is an arithmetic number, because the mean of its divisors is an integer number (245197848).

Almost surely, 2^2798479780 is an apocalyptic number.

2798479780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2798479780 is an abundant number, since it is smaller than the sum of its proper divisors (3086268572).

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

2798479780 is a wasteful number, since it uses less digits than its factorization.

2798479780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189075 (or 189073 counting only the distinct ones).

The product of its (nonzero) digits is 14224896, while the sum is 61.

The square root of 2798479780 is about 52900.6595422023. The cubic root of 2798479780 is about 1409.2046182233.

The spelling of 2798479780 in words is "two billion, seven hundred ninety-eight million, four hundred seventy-nine thousand, seven hundred eighty".