8732639480 has 64 divisors (see below), whose sum is σ = 20097037440. Its totient is φ = 3413532672.

The previous prime is 8732639479. The next prime is 8732639483. The reversal of 8732639480 is 849362378.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8732639483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1374872 + ... + 1381208.

It is an arithmetic number, because the mean of its divisors is an integer number (314016210).

Almost surely, 2^8732639480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8732639480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10048518720).

8732639480 is an abundant number, since it is smaller than the sum of its proper divisors (11364397960).

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

8732639480 is a wasteful number, since it uses less digits than its factorization.

8732639480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7128 (or 7124 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 50.

The square root of 8732639480 is about 93448.5927127851. The cubic root of 8732639480 is about 2059.2789351164.

The spelling of 8732639480 in words is "eight billion, seven hundred thirty-two million, six hundred thirty-nine thousand, four hundred eighty".