1078564849 has 8 divisors (see below), whose sum is σ = 1140337440. Its totient is φ = 1017292896.

The previous prime is 1078564807. The next prime is 1078564873. The reversal of 1078564849 is 9484658701.

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

It is a cyclic number.

It is not a de Polignac number, because 1078564849 - 2²⁹ = 541693937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1078564796 and 1078564805.

It is not an unprimeable number, because it can be changed into a prime (1078564649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120724 + ... + 129349.

It is an arithmetic number, because the mean of its divisors is an integer number (142542180).

Almost surely, 2^1078564849 is an apocalyptic number.

1078564849 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1078564849 is a deficient number, since it is larger than the sum of its proper divisors (61772591).

1078564849 is a wasteful number, since it uses less digits than its factorization.

1078564849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250319.

The product of its (nonzero) digits is 1935360, while the sum is 52.

The square root of 1078564849 is about 32841.5110645049. The cubic root of 1078564849 is about 1025.5309084653.

The spelling of 1078564849 in words is "one billion, seventy-eight million, five hundred sixty-four thousand, eight hundred forty-nine".