8731487910 has 128 divisors (see below), whose sum is σ = 21999600000. Its totient is φ = 2215084032.

The previous prime is 8731487903. The next prime is 8731487911. The reversal of 8731487910 is 197841378.

It is a super-2 number, since 2×8731487910² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8731487910.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8731487911) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25018416 + ... + 25018764.

It is an arithmetic number, because the mean of its divisors is an integer number (171871875).

Almost surely, 2^8731487910 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8731487910, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10999800000).

8731487910 is an abundant number, since it is smaller than the sum of its proper divisors (13268112090).

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

8731487910 is a wasteful number, since it uses less digits than its factorization.

8731487910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730.

The product of its (nonzero) digits is 338688, while the sum is 48.

The square root of 8731487910 is about 93442.4309936337. The cubic root of 8731487910 is about 2059.1884123485.

The spelling of 8731487910 in words is "eight billion, seven hundred thirty-one million, four hundred eighty-seven thousand, nine hundred ten".