1058538378 has 16 divisors (see below), whose sum is σ = 2138039136. Its totient is φ = 349352400.

The previous prime is 1058538359. The next prime is 1058538379. The reversal of 1058538378 is 8738358501.

It is a happy number.

It is a super-2 number, since 2×1058538378² = 2241006995397741768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1058538379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 872776 + ... + 873987.

It is an arithmetic number, because the mean of its divisors is an integer number (133627446).

Almost surely, 2^1058538378 is an apocalyptic number.

1058538378 is an abundant number, since it is smaller than the sum of its proper divisors (1079500758).

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

1058538378 is a wasteful number, since it uses less digits than its factorization.

1058538378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1746869.

The product of its (nonzero) digits is 806400, while the sum is 48.

The square root of 1058538378 is about 32535.1867675598. The cubic root of 1058538378 is about 1019.1439626616.

The spelling of 1058538378 in words is "one billion, fifty-eight million, five hundred thirty-eight thousand, three hundred seventy-eight".