8582640429 has 16 divisors (see below), whose sum is σ = 12485551104. Its totient is φ = 5200887600.

The previous prime is 8582640263. The next prime is 8582640467. The reversal of 8582640429 is 9240462858.

It is a happy number.

8582640429 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8582640429 - 2⁸ = 8582640173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8582640629) 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, 325324 + ... + 350714.

It is an arithmetic number, because the mean of its divisors is an integer number (780346944).

Almost surely, 2^8582640429 is an apocalyptic number.

It is an amenable number.

8582640429 is a deficient number, since it is larger than the sum of its proper divisors (3902910675).

8582640429 is a wasteful number, since it uses less digits than its factorization.

8582640429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35648.

The product of its (nonzero) digits is 1105920, while the sum is 48.

The square root of 8582640429 is about 92642.5411406660. The cubic root of 8582640429 is about 2047.4201478487.

The spelling of 8582640429 in words is "eight billion, five hundred eighty-two million, six hundred forty thousand, four hundred twenty-nine".