8794478408 has 16 divisors (see below), whose sum is σ = 16491899580. Its totient is φ = 4396638528.

The previous prime is 8794478387. The next prime is 8794478447. The reversal of 8794478408 is 8048744978.

It can be written as a sum of positive squares in 2 ways, for example, as 7814913604 + 979564804 = 88402^2 + 31298^2 .

It is a super-3 number, since 3×8794478408³ (a number of 31 digits) contains 333 as substring.

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, 9491 + ... + 132962.

Almost surely, 2^8794478408 is an apocalyptic number.

It is an amenable number.

8794478408 is a deficient number, since it is larger than the sum of its proper divisors (7697421172).

8794478408 is a wasteful number, since it uses less digits than its factorization.

8794478408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150176 (or 150172 counting only the distinct ones).

The product of its (nonzero) digits is 14450688, while the sum is 59.

The square root of 8794478408 is about 93778.8803942551. The cubic root of 8794478408 is about 2064.1283352939.

The spelling of 8794478408 in words is "eight billion, seven hundred ninety-four million, four hundred seventy-eight thousand, four hundred eight".