8245987429 has 4 divisors (see below), whose sum is σ = 8246349280. Its totient is φ = 8245625580.

The previous prime is 8245987417. The next prime is 8245987433. The reversal of 8245987429 is 9247895428.

It is a happy number.

8245987429 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8245987429 - 2²⁵ = 8212432997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8245987829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144267 + ... + 193144.

It is an arithmetic number, because the mean of its divisors is an integer number (2061587320).

Almost surely, 2^8245987429 is an apocalyptic number.

It is an amenable number.

8245987429 is a deficient number, since it is larger than the sum of its proper divisors (361851).

8245987429 is a wasteful number, since it uses less digits than its factorization.

8245987429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361850.

The product of its digits is 11612160, while the sum is 58.

The square root of 8245987429 is about 90807.4194600860. The cubic root of 8245987429 is about 2020.2923660245.

The spelling of 8245987429 in words is "eight billion, two hundred forty-five million, nine hundred eighty-seven thousand, four hundred twenty-nine".