280113642798 has 32 divisors (see below), whose sum is σ = 611885594880. Its totient is φ = 84781733760.

The previous prime is 280113642779. The next prime is 280113642803. The reversal of 280113642798 is 897246311082.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 280113642798.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2473915 + ... + 2584662.

It is an arithmetic number, because the mean of its divisors is an integer number (19121424840).

Almost surely, 2^280113642798 is an apocalyptic number.

280113642798 is an abundant number, since it is smaller than the sum of its proper divisors (331771952082).

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

280113642798 is a wasteful number, since it uses less digits than its factorization.

280113642798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5059432.

The product of its (nonzero) digits is 1161216, while the sum is 51.

The spelling of 280113642798 in words is "two hundred eighty billion, one hundred thirteen million, six hundred forty-two thousand, seven hundred ninety-eight".