1068978386 has 16 divisors (see below), whose sum is σ = 1836146880. Its totient is φ = 457230480.

The previous prime is 1068978373. The next prime is 1068978397. The reversal of 1068978386 is 6838798601.

It is a happy number.

It is a super-2 number, since 2×1068978386² = 2285429579470329992, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67880 + ... + 82131.

It is an arithmetic number, because the mean of its divisors is an integer number (114759180).

Almost surely, 2^1068978386 is an apocalyptic number.

1068978386 is a deficient number, since it is larger than the sum of its proper divisors (767168494).

1068978386 is a wasteful number, since it uses less digits than its factorization.

1068978386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150529.

The product of its (nonzero) digits is 3483648, while the sum is 56.

The square root of 1068978386 is about 32695.2349127514. The cubic root of 1068978386 is about 1022.4834990751.

The spelling of 1068978386 in words is "one billion, sixty-eight million, nine hundred seventy-eight thousand, three hundred eighty-six".