84381174381 has 32 divisors (see below), whose sum is σ = 136185027840. Its totient is φ = 45367934976.

The previous prime is 84381174299. The next prime is 84381174389. The reversal of 84381174381 is 18347118348.

It is not a de Polignac number, because 84381174381 - 2¹¹ = 84381172333 is a prime.

It is a super-2 number, since 2×84381174381² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 84381174381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84381174389) 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 31 ways as a sum of consecutive naturals, for example, 1226365 + ... + 1293341.

It is an arithmetic number, because the mean of its divisors is an integer number (4255782120).

Almost surely, 2^84381174381 is an apocalyptic number.

It is an amenable number.

84381174381 is a deficient number, since it is larger than the sum of its proper divisors (51803853459).

84381174381 is a wasteful number, since it uses less digits than its factorization.

84381174381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70533.

The product of its digits is 516096, while the sum is 48.

The spelling of 84381174381 in words is "eighty-four billion, three hundred eighty-one million, one hundred seventy-four thousand, three hundred eighty-one".