982191855 has 16 divisors (see below), whose sum is σ = 1573002720. Its totient is φ = 523337088.

The previous prime is 982191799. The next prime is 982191893. The reversal of 982191855 is 558191289.

It is not a de Polignac number, because 982191855 - 2²⁰ = 981143279 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14592 + ... + 46661.

It is an arithmetic number, because the mean of its divisors is an integer number (98312670).

Almost surely, 2^982191855 is an apocalyptic number.

982191855 is a deficient number, since it is larger than the sum of its proper divisors (590810865).

982191855 is a wasteful number, since it uses less digits than its factorization.

982191855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62330.

The product of its digits is 259200, while the sum is 48.

The square root of 982191855 is about 31339.9402520171. The cubic root of 982191855 is about 994.0283621923.

The spelling of 982191855 in words is "nine hundred eighty-two million, one hundred ninety-one thousand, eight hundred fifty-five".