881682387 has 16 divisors (see below), whose sum is σ = 1195376640. Its totient is φ = 577971072.

The previous prime is 881682359. The next prime is 881682419. The reversal of 881682387 is 783286188.

It is not a de Polignac number, because 881682387 - 2¹⁰ = 881681363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (881682187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32814 + ... + 53292.

It is an arithmetic number, because the mean of its divisors is an integer number (74711040).

Almost surely, 2^881682387 is an apocalyptic number.

881682387 is a deficient number, since it is larger than the sum of its proper divisors (313694253).

881682387 is a wasteful number, since it uses less digits than its factorization.

881682387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20722.

The product of its digits is 1032192, while the sum is 51.

The square root of 881682387 is about 29693.1370353488. The cubic root of 881682387 is about 958.8942661776.

The spelling of 881682387 in words is "eight hundred eighty-one million, six hundred eighty-two thousand, three hundred eighty-seven".