881999997 has 8 divisors (see below), whose sum is σ = 1216551840. Its totient is φ = 567724080.

The previous prime is 881999983. The next prime is 882000013. The reversal of 881999997 is 799999188.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 881999997 - 2¹⁹ = 881475709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881999297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5068879 + ... + 5069052.

It is an arithmetic number, because the mean of its divisors is an integer number (152068980).

Almost surely, 2^881999997 is an apocalyptic number.

881999997 is a gapful number since it is divisible by the number (87) formed by its first and last digit.

It is an amenable number.

881999997 is a deficient number, since it is larger than the sum of its proper divisors (334551843).

881999997 is a wasteful number, since it uses less digits than its factorization.

881999997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10137963.

The product of its digits is 26453952, while the sum is 69.

The square root of 881999997 is about 29698.4847593274. The cubic root of 881999997 is about 959.0093937449.

The spelling of 881999997 in words is "eight hundred eighty-one million, nine hundred ninety-nine thousand, nine hundred ninety-seven".