8728962438 has 64 divisors (see below), whose sum is σ = 20925527040. Its totient is φ = 2373393792.

The previous prime is 8728962421. The next prime is 8728962439. The reversal of 8728962438 is 8342698278.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8728962439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 167368 + ... + 213236.

It is an arithmetic number, because the mean of its divisors is an integer number (326961360).

Almost surely, 2^8728962438 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8728962438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10462763520).

8728962438 is an abundant number, since it is smaller than the sum of its proper divisors (12196564602).

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

8728962438 is a wasteful number, since it uses less digits than its factorization.

8728962438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46101.

The product of its digits is 9289728, while the sum is 57.

The square root of 8728962438 is about 93428.9164980521. The cubic root of 8728962438 is about 2058.9898618381.

The spelling of 8728962438 in words is "eight billion, seven hundred twenty-eight million, nine hundred sixty-two thousand, four hundred thirty-eight".