1068773998 has 4 divisors (see below), whose sum is σ = 1603161000. Its totient is φ = 534386998.

The previous prime is 1068773989. The next prime is 1068774013. The reversal of 1068773998 is 8993778601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8993778601 = 8539 ⋅1053259.

It is a super-2 number, since 2×1068773998² = 2284555717601808008, 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, 267193498 + ... + 267193501.

It is an arithmetic number, because the mean of its divisors is an integer number (400790250).

Almost surely, 2^1068773998 is an apocalyptic number.

1068773998 is a deficient number, since it is larger than the sum of its proper divisors (534387002).

1068773998 is an equidigital number, since it uses as much as digits as its factorization.

1068773998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534387001.

The product of its (nonzero) digits is 4572288, while the sum is 58.

The square root of 1068773998 is about 32692.1091090801. The cubic root of 1068773998 is about 1022.4183288526.

The spelling of 1068773998 in words is "one billion, sixty-eight million, seven hundred seventy-three thousand, nine hundred ninety-eight".