1159407798 has 32 divisors (see below), whose sum is σ = 2374344576. Its totient is φ = 377317248.

The previous prime is 1159407787. The next prime is 1159407811. The reversal of 1159407798 is 8977049511.

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 1159407798.

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, 32665 + ... + 58187.

It is an arithmetic number, because the mean of its divisors is an integer number (74198268).

Almost surely, 2^1159407798 is an apocalyptic number.

1159407798 is an abundant number, since it is smaller than the sum of its proper divisors (1214936778).

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

1159407798 is a wasteful number, since it uses less digits than its factorization.

1159407798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25708.

The product of its (nonzero) digits is 635040, while the sum is 51.

The square root of 1159407798 is about 34050.0777972680. The cubic root of 1159407798 is about 1050.5387403127.

The spelling of 1159407798 in words is "one billion, one hundred fifty-nine million, four hundred seven thousand, seven hundred ninety-eight".