8731271346 has 64 divisors (see below), whose sum is σ = 20443788288. Its totient is φ = 2433953088.

The previous prime is 8731271249. The next prime is 8731271347. The reversal of 8731271346 is 6431721378.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 8731271298 and 8731271307.

It is not an unprimeable number, because it can be changed into a prime (8731271347) 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, 2098300 + ... + 2102456.

It is an arithmetic number, because the mean of its divisors is an integer number (319434192).

Almost surely, 2^8731271346 is an apocalyptic number.

8731271346 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 8731271346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10221894144).

8731271346 is an abundant number, since it is smaller than the sum of its proper divisors (11712516942).

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

8731271346 is a wasteful number, since it uses less digits than its factorization.

8731271346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5375.

The product of its digits is 169344, while the sum is 42.

The square root of 8731271346 is about 93441.2721766993. The cubic root of 8731271346 is about 2059.1713877676.

The spelling of 8731271346 in words is "eight billion, seven hundred thirty-one million, two hundred seventy-one thousand, three hundred forty-six".