9008497478 has 4 divisors (see below), whose sum is σ = 13512746220. Its totient is φ = 4504248738.

The previous prime is 9008497451. The next prime is 9008497499. The reversal of 9008497478 is 8747948009.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×9008497478² (a number of 21 digits) contains 22 as substring.

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, 2252124368 + ... + 2252124371.

It is an arithmetic number, because the mean of its divisors is an integer number (3378186555).

Almost surely, 2^9008497478 is an apocalyptic number.

9008497478 is a deficient number, since it is larger than the sum of its proper divisors (4504248742).

9008497478 is a wasteful number, since it uses less digits than its factorization.

9008497478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4504248741.

The product of its (nonzero) digits is 4064256, while the sum is 56.

The square root of 9008497478 is about 94913.1048802008. The cubic root of 9008497478 is about 2080.7382640368.

The spelling of 9008497478 in words is "nine billion, eight million, four hundred ninety-seven thousand, four hundred seventy-eight".