881440607 has 4 divisors (see below), whose sum is σ = 882343776. Its totient is φ = 880537440.

The previous prime is 881440559. The next prime is 881440613. The reversal of 881440607 is 706044188.

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

It is a cyclic number.

It is not a de Polignac number, because 881440607 - 2¹⁴ = 881424223 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 (881440627) 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, 450119 + ... + 452072.

It is an arithmetic number, because the mean of its divisors is an integer number (220585944).

Almost surely, 2^881440607 is an apocalyptic number.

881440607 is a deficient number, since it is larger than the sum of its proper divisors (903169).

881440607 is an equidigital number, since it uses as much as digits as its factorization.

881440607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903168.

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 881440607 is about 29689.0654450422. The cubic root of 881440607 is about 958.8066070029.

The spelling of 881440607 in words is "eight hundred eighty-one million, four hundred forty thousand, six hundred seven".