1064793778 has 8 divisors (see below), whose sum is σ = 1634334768. Its totient is φ = 520015524.

The previous prime is 1064793773. The next prime is 1064793791. The reversal of 1064793778 is 8773974601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1064793778² = 2267571579335026568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1064793773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6190576 + ... + 6190747.

It is an arithmetic number, because the mean of its divisors is an integer number (204291846).

Almost surely, 2^1064793778 is an apocalyptic number.

1064793778 is a deficient number, since it is larger than the sum of its proper divisors (569540990).

1064793778 is a wasteful number, since it uses less digits than its factorization.

1064793778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12381368.

The product of its (nonzero) digits is 1778112, while the sum is 52.

The square root of 1064793778 is about 32631.1780050920. The cubic root of 1064793778 is about 1021.1475544126.

The spelling of 1064793778 in words is "one billion, sixty-four million, seven hundred ninety-three thousand, seven hundred seventy-eight".