981895455 has 48 divisors (see below), whose sum is σ = 1755921024. Its totient is φ = 507202560.

The previous prime is 981895403. The next prime is 981895459. The reversal of 981895455 is 554598189.

981895455 is a `hidden beast` number, since 9 + 8 + 189 + 5 + 455 = 666.

981895455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 981895455 - 2⁸ = 981895199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981895459) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 400042 + ... + 402488.

It is an arithmetic number, because the mean of its divisors is an integer number (36581688).

Almost surely, 2^981895455 is an apocalyptic number.

981895455 is a deficient number, since it is larger than the sum of its proper divisors (774025569).

981895455 is a wasteful number, since it uses less digits than its factorization.

981895455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2736 (or 2733 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 54.

The square root of 981895455 is about 31335.2111050811. The cubic root of 981895455 is about 993.9283614823.

The spelling of 981895455 in words is "nine hundred eighty-one million, eight hundred ninety-five thousand, four hundred fifty-five".