8820272429 has 4 divisors (see below), whose sum is σ = 8862074880. Its totient is φ = 8778469980.

The previous prime is 8820272411. The next prime is 8820272443. The reversal of 8820272429 is 9242720288.

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 8820272429 - 2⁸ = 8820272173 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8820272429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8820272459) 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, 20900909 + ... + 20901330.

It is an arithmetic number, because the mean of its divisors is an integer number (2215518720).

Almost surely, 2^8820272429 is an apocalyptic number.

It is an amenable number.

8820272429 is a deficient number, since it is larger than the sum of its proper divisors (41802451).

8820272429 is a wasteful number, since it uses less digits than its factorization.

8820272429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41802450.

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 8820272429 is about 93916.3054479892. The cubic root of 8820272429 is about 2066.1443806308.

The spelling of 8820272429 in words is "eight billion, eight hundred twenty million, two hundred seventy-two thousand, four hundred twenty-nine".