881901887 has 4 divisors (see below), whose sum is σ = 889992840. Its totient is φ = 873810936.

The previous prime is 881901871. The next prime is 881901899. The reversal of 881901887 is 788109188.

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 881901887 - 2⁴ = 881901871 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 (881901187) 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, 4045313 + ... + 4045530.

It is an arithmetic number, because the mean of its divisors is an integer number (222498210).

Almost surely, 2^881901887 is an apocalyptic number.

881901887 is a deficient number, since it is larger than the sum of its proper divisors (8090953).

881901887 is a wasteful number, since it uses less digits than its factorization.

881901887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8090952.

The product of its (nonzero) digits is 258048, while the sum is 50.

The square root of 881901887 is about 29696.8329456190. The cubic root of 881901887 is about 958.9738336917.

The spelling of 881901887 in words is "eight hundred eighty-one million, nine hundred one thousand, eight hundred eighty-seven".