8001478485 has 512 divisors, whose sum is σ = 20948336640. Its totient is φ = 2821754880.

The previous prime is 8001478483. The next prime is 8001478547. The reversal of 8001478485 is 5848741008.

It is not a de Polignac number, because 8001478485 - 2¹ = 8001478483 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 8001478485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8001478483) by changing a digit.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 186080874 + ... + 186080916.

It is an arithmetic number, because the mean of its divisors is an integer number (40914720).

Almost surely, 2^8001478485 is an apocalyptic number.

8001478485 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8001478485 is an abundant number, since it is smaller than the sum of its proper divisors (12946858155).

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

8001478485 is a wasteful number, since it uses less digits than its factorization.

8001478485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 45.

The square root of 8001478485 is about 89450.9837005720. The cubic root of 8001478485 is about 2000.1231994941.

The spelling of 8001478485 in words is "eight billion, one million, four hundred seventy-eight thousand, four hundred eighty-five".