881349997 has 16 divisors (see below), whose sum is σ = 972578880. Its totient is φ = 792028800.

The previous prime is 881349983. The next prime is 881350003. The reversal of 881349997 is 799943188.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-881349997 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 (881349977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355153 + ... + 357625.

It is an arithmetic number, because the mean of its divisors is an integer number (60786180).

Almost surely, 2^881349997 is an apocalyptic number.

It is an amenable number.

881349997 is a deficient number, since it is larger than the sum of its proper divisors (91228883).

881349997 is a wasteful number, since it uses less digits than its factorization.

881349997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2844.

The product of its digits is 3919104, while the sum is 58.

The square root of 881349997 is about 29687.5394231317. The cubic root of 881349997 is about 958.7737515300.

The spelling of 881349997 in words is "eight hundred eighty-one million, three hundred forty-nine thousand, nine hundred ninety-seven".