880889447 has 4 divisors (see below), whose sum is σ = 882792480. Its totient is φ = 878986416.

The previous prime is 880889441. The next prime is 880889453. The reversal of 880889447 is 744988088.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (880889441) and next prime (880889453).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-880889447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 880889392 and 880889401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (880889441) 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, 950822 + ... + 951747.

It is an arithmetic number, because the mean of its divisors is an integer number (220698120).

Almost surely, 2^880889447 is an apocalyptic number.

880889447 is a deficient number, since it is larger than the sum of its proper divisors (1903033).

880889447 is a wasteful number, since it uses less digits than its factorization.

880889447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1903032.

The product of its (nonzero) digits is 4128768, while the sum is 56.

The square root of 880889447 is about 29679.7817882814. The cubic root of 880889447 is about 958.6067198218.

The spelling of 880889447 in words is "eight hundred eighty million, eight hundred eighty-nine thousand, four hundred forty-seven".