2798761028 has 72 divisors (see below), whose sum is σ = 6044179680. Its totient is φ = 1127468160.

The previous prime is 2798761027. The next prime is 2798761033. The reversal of 2798761028 is 8201678972.

It is not an unprimeable number, because it can be changed into a prime (2798761027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 484976 + ... + 490712.

It is an arithmetic number, because the mean of its divisors is an integer number (83946940).

Almost surely, 2^2798761028 is an apocalyptic number.

2798761028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2798761028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3022089840).

2798761028 is an abundant number, since it is smaller than the sum of its proper divisors (3245418652).

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

2798761028 is a wasteful number, since it uses less digits than its factorization.

2798761028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5905 (or 5896 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 50.

The square root of 2798761028 is about 52903.3177409508. The cubic root of 2798761028 is about 1409.2518251279.

The spelling of 2798761028 in words is "two billion, seven hundred ninety-eight million, seven hundred sixty-one thousand, twenty-eight".