8818782478 has 32 divisors (see below), whose sum is σ = 14618099808. Its totient is φ = 3956736000.

The previous prime is 8818782461. The next prime is 8818782481. The reversal of 8818782478 is 8742878188.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 742926 + ... + 754702.

It is an arithmetic number, because the mean of its divisors is an integer number (456815619).

Almost surely, 2^8818782478 is an apocalyptic number.

8818782478 is a deficient number, since it is larger than the sum of its proper divisors (5799317330).

8818782478 is a wasteful number, since it uses less digits than its factorization.

8818782478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12228.

The product of its digits is 12845056, while the sum is 61.

The square root of 8818782478 is about 93908.3727790020. The cubic root of 8818782478 is about 2066.0280339885.

The spelling of 8818782478 in words is "eight billion, eight hundred eighteen million, seven hundred eighty-two thousand, four hundred seventy-eight".