1058827788 has 108 divisors (see below), whose sum is σ = 2860858728. Its totient is φ = 342221760.

The previous prime is 1058827771. The next prime is 1058827807. The reversal of 1058827788 is 8877288501.

It is a tau number, because it is divible by the number of its divisors (108).

It is a super-2 number, since 2×1058827788² = 2242232569281945888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6495795 + ... + 6495957.

Almost surely, 2^1058827788 is an apocalyptic number.

1058827788 is a gapful number since it is divisible by the number (18) 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 1058827788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1430429364).

1058827788 is an abundant number, since it is smaller than the sum of its proper divisors (1802030940).

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

1058827788 is an equidigital number, since it uses as much as digits as its factorization.

1058827788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 2007040, while the sum is 54.

The square root of 1058827788 is about 32539.6341098052. The cubic root of 1058827788 is about 1019.2368339844.

The spelling of 1058827788 in words is "one billion, fifty-eight million, eight hundred twenty-seven thousand, seven hundred eighty-eight".