8372478012 has 24 divisors (see below), whose sum is σ = 19553718912. Its totient is φ = 2788263600.

The previous prime is 8372478011. The next prime is 8372478029. The reversal of 8372478012 is 2108742738.

It is a super-2 number, since 2×8372478012² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8372478011) 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, 306664 + ... + 332847.

It is an arithmetic number, because the mean of its divisors is an integer number (814738288).

Almost surely, 2^8372478012 is an apocalyptic number.

It is an amenable number.

8372478012 is an abundant number, since it is smaller than the sum of its proper divisors (11181240900).

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

8372478012 is a wasteful number, since it uses less digits than its factorization.

8372478012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640609 (or 640607 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 8372478012 is about 91501.2459587300. The cubic root of 8372478012 is about 2030.5701854680.

The spelling of 8372478012 in words is "eight billion, three hundred seventy-two million, four hundred seventy-eight thousand, twelve".