1078855636 has 12 divisors (see below), whose sum is σ = 1896316128. Its totient is φ = 537051032.

The previous prime is 1078855627. The next prime is 1078855643. The reversal of 1078855636 is 6365588701.

It is a self number, because there is not a number n which added to its sum of digits gives 1078855636.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 593176 + ... + 594991.

It is an arithmetic number, because the mean of its divisors is an integer number (158026344).

Almost surely, 2^1078855636 is an apocalyptic number.

It is an amenable number.

1078855636 is a deficient number, since it is larger than the sum of its proper divisors (817460492).

1078855636 is a wasteful number, since it uses less digits than its factorization.

1078855636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188398 (or 1188396 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 49.

The square root of 1078855636 is about 32845.9378919220. The cubic root of 1078855636 is about 1025.6230631036.

The spelling of 1078855636 in words is "one billion, seventy-eight million, eight hundred fifty-five thousand, six hundred thirty-six".