1158928086 has 16 divisors (see below), whose sum is σ = 2336108544. Its totient is φ = 383267304.

The previous prime is 1158928079. The next prime is 1158928093. The reversal of 1158928086 is 6808298511.

It is an interprime number because it is at equal distance from previous prime (1158928079) and next prime (1158928093).

It is a super-2 number, since 2×1158928086² = 2686228617039246792, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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, 759690 + ... + 761213.

It is an arithmetic number, because the mean of its divisors is an integer number (146006784).

Almost surely, 2^1158928086 is an apocalyptic number.

1158928086 is an abundant number, since it is smaller than the sum of its proper divisors (1177180458).

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

1158928086 is a wasteful number, since it uses less digits than its factorization.

1158928086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1521035.

The product of its (nonzero) digits is 276480, while the sum is 48.

The square root of 1158928086 is about 34043.0328554904. The cubic root of 1158928086 is about 1050.3938314025.

The spelling of 1158928086 in words is "one billion, one hundred fifty-eight million, nine hundred twenty-eight thousand, eighty-six".