718878368 has 48 divisors (see below), whose sum is σ = 1529306856. Its totient is φ = 330670080.

The previous prime is 718878367. The next prime is 718878397. The reversal of 718878368 is 863878817.

It can be written as a sum of positive squares in 4 ways, for example, as 175615504 + 543262864 = 13252^2 + 23308^2 .

It is a super-2 number, since 2×718878368² = 1033572215956686848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (718878367) 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, 127448 + ... + 132968.

Almost surely, 2^718878368 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 718878368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (764653428).

718878368 is an abundant number, since it is smaller than the sum of its proper divisors (810428488).

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

718878368 is a wasteful number, since it uses less digits than its factorization.

718878368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5857 (or 5849 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 56.

The square root of 718878368 is about 26811.9072055682. The cubic root of 718878368 is about 895.8152919638.

The spelling of 718878368 in words is "seven hundred eighteen million, eight hundred seventy-eight thousand, three hundred sixty-eight".