1078263808 has 34 divisors (see below), whose sum is σ = 2156642234. Its totient is φ = 539099136.

The previous prime is 1078263749. The next prime is 1078263827. The reversal of 1078263808 is 8083628701.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1057030144 + 21233664 = 32512^2 + 4608^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57310 + ... + 73762.

Almost surely, 2^1078263808 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 1078263808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1078321117).

1078263808 is an abundant number, since it is smaller than the sum of its proper divisors (1078378426).

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

1078263808 is an frugal number, since it uses more digits than its factorization.

1078263808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16485 (or 16455 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 1078263808 is about 32836.9275054777. The cubic root of 1078263808 is about 1025.4354867333.

The spelling of 1078263808 in words is "one billion, seventy-eight million, two hundred sixty-three thousand, eight hundred eight".