8727497394 has 128 divisors (see below), whose sum is σ = 23239802880. Its totient is φ = 2118009600.

The previous prime is 8727497381. The next prime is 8727497413. The reversal of 8727497394 is 4937947278.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 404832 + ... + 425844.

It is an arithmetic number, because the mean of its divisors is an integer number (181560960).

Almost surely, 2^8727497394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8727497394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11619901440).

8727497394 is an abundant number, since it is smaller than the sum of its proper divisors (14512305486).

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

8727497394 is a wasteful number, since it uses less digits than its factorization.

8727497394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21096.

The product of its digits is 21337344, while the sum is 60.

The square root of 8727497394 is about 93421.0757484627. The cubic root of 8727497394 is about 2058.8746637435.

The spelling of 8727497394 in words is "eight billion, seven hundred twenty-seven million, four hundred ninety-seven thousand, three hundred ninety-four".