1083478864 has 40 divisors (see below), whose sum is σ = 2266273352. Its totient is φ = 498839040.

The previous prime is 1083478859. The next prime is 1083478961. The reversal of 1083478864 is 4688743801.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 25928464 + 1057550400 = 5092^2 + 32520^2 .

It is a congruent 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, 81382 + ... + 93754.

Almost surely, 2^1083478864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1083478864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1133136676).

1083478864 is an abundant number, since it is smaller than the sum of its proper divisors (1182794488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1083478864 is a wasteful number, since it uses less digits than its factorization.

1083478864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12815 (or 12809 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 49.

The square root of 1083478864 is about 32916.2401255064. The cubic root of 1083478864 is about 1027.0860120486.

It can be divided in two parts, 10834 and 78864, that added together give a palindrome (89698).

The spelling of 1083478864 in words is "one billion, eighty-three million, four hundred seventy-eight thousand, eight hundred sixty-four".