1058779894 has 4 divisors (see below), whose sum is σ = 1588169844. Its totient is φ = 529389946.

The previous prime is 1058779889. The next prime is 1058780011. The reversal of 1058779894 is 4989778501.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1058779894² = 2242029727877302472, which contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264694972 + ... + 264694975.

It is an arithmetic number, because the mean of its divisors is an integer number (397042461).

Almost surely, 2^1058779894 is an apocalyptic number.

1058779894 is a deficient number, since it is larger than the sum of its proper divisors (529389950).

1058779894 is an equidigital number, since it uses as much as digits as its factorization.

1058779894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529389949.

The product of its (nonzero) digits is 5080320, while the sum is 58.

The square root of 1058779894 is about 32538.8981681925. The cubic root of 1058779894 is about 1019.2214660257.

The spelling of 1058779894 in words is "one billion, fifty-eight million, seven hundred seventy-nine thousand, eight hundred ninety-four".