880821247 has 4 divisors (see below), whose sum is σ = 927180280. Its totient is φ = 834462216.

The previous prime is 880821241. The next prime is 880821251. The reversal of 880821247 is 742128088.

880821247 is digitally balanced in base 2, 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.

It is not a de Polignac number, because 880821247 - 2²⁷ = 746603519 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 (880821241) 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, 23179488 + ... + 23179525.

It is an arithmetic number, because the mean of its divisors is an integer number (231795070).

Almost surely, 2^880821247 is an apocalyptic number.

880821247 is a deficient number, since it is larger than the sum of its proper divisors (46359033).

880821247 is a wasteful number, since it uses less digits than its factorization.

880821247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46359032.

The product of its (nonzero) digits is 57344, while the sum is 40.

The square root of 880821247 is about 29678.6328357625. The cubic root of 880821247 is about 958.5819801810.

The spelling of 880821247 in words is "eight hundred eighty million, eight hundred twenty-one thousand, two hundred forty-seven".