9072878490 has 96 divisors (see below), whose sum is σ = 25464151440. Its totient is φ = 2228041728.

The previous prime is 9072878489. The next prime is 9072878519. The reversal of 9072878490 is 948782709.

9072878490 is a `hidden beast` number, since 9 + 0 + 72 + 87 + 8 + 490 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 628555041 + 8444323449 = 25071^2 + 91893^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 497656 + ... + 515564.

Almost surely, 2^9072878490 is an apocalyptic number.

9072878490 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 9072878490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12732075720).

9072878490 is an abundant number, since it is smaller than the sum of its proper divisors (16391272950).

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

9072878490 is a wasteful number, since it uses less digits than its factorization.

9072878490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18368 (or 18365 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The square root of 9072878490 is about 95251.6587257146. The cubic root of 9072878490 is about 2085.6833051877.

The spelling of 9072878490 in words is "nine billion, seventy-two million, eight hundred seventy-eight thousand, four hundred ninety".