1058203778 has 12 divisors (see below), whose sum is σ = 1621803462. Its totient is φ = 517842240.

The previous prime is 1058203771. The next prime is 1058203807. The reversal of 1058203778 is 8773028501.

It can be written as a sum of positive squares in only one way, i.e., 572309929 + 485893849 = 23923^2 + 22043^2 .

It is a super-2 number, since 2×1058203778² = 2239590471546946568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1058203771) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 115343 + ... + 124178.

Almost surely, 2^1058203778 is an apocalyptic number.

1058203778 is a deficient number, since it is larger than the sum of its proper divisors (563599684).

1058203778 is an equidigital number, since it uses as much as digits as its factorization.

1058203778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239617 (or 239570 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 41.

The square root of 1058203778 is about 32530.0442360597. The cubic root of 1058203778 is about 1019.0365688208.

The spelling of 1058203778 in words is "one billion, fifty-eight million, two hundred three thousand, seven hundred seventy-eight".