1158028798 has 8 divisors (see below), whose sum is σ = 1746138240. Its totient is φ = 575982720.

The previous prime is 1158028759. The next prime is 1158028903. The reversal of 1158028798 is 8978208511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1515363 + ... + 1516126.

It is an arithmetic number, because the mean of its divisors is an integer number (218267280).

Almost surely, 2^1158028798 is an apocalyptic number.

1158028798 is a deficient number, since it is larger than the sum of its proper divisors (588109442).

1158028798 is a wasteful number, since it uses less digits than its factorization.

1158028798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3031682.

The product of its (nonzero) digits is 322560, while the sum is 49.

The square root of 1158028798 is about 34029.8221858416. The cubic root of 1158028798 is about 1050.1220713707.

The spelling of 1158028798 in words is "one billion, one hundred fifty-eight million, twenty-eight thousand, seven hundred ninety-eight".