8727689040 has 160 divisors (see below), whose sum is σ = 31293997056. Its totient is φ = 1970833920.

The previous prime is 8727689021. The next prime is 8727689057. The reversal of 8727689040 is 409867278.

It is a super-2 number, since 2×8727689040² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108145 + ... + 170735.

Almost surely, 2^8727689040 is an apocalyptic number.

8727689040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8727689040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15646998528).

8727689040 is an abundant number, since it is smaller than the sum of its proper divisors (22566308016).

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

8727689040 is a wasteful number, since it uses less digits than its factorization.

8727689040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62697 (or 62691 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 51.

The square root of 8727689040 is about 93422.1014535640. The cubic root of 8727689040 is about 2058.8897338218.

The spelling of 8727689040 in words is "eight billion, seven hundred twenty-seven million, six hundred eighty-nine thousand, forty".