84404060631 has 24 divisors (see below), whose sum is σ = 140823890064. Its totient is φ = 48144917760.

The previous prime is 84404060591. The next prime is 84404060647. The reversal of 84404060631 is 13606040448.

84404060631 is a `hidden beast` number, since 8 + 4 + 4 + 0 + 40 + 606 + 3 + 1 = 666.

It is not a de Polignac number, because 84404060631 - 2¹⁴ = 84404044247 is a prime.

It is a super-2 number, since 2×84404060631² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84404060131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25073796 + ... + 25077161.

It is an arithmetic number, because the mean of its divisors is an integer number (5867662086).

Almost surely, 2^84404060631 is an apocalyptic number.

84404060631 is a deficient number, since it is larger than the sum of its proper divisors (56419829433).

84404060631 is a wasteful number, since it uses less digits than its factorization.

84404060631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50150991 (or 50150988 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 84404060631 in words is "eighty-four billion, four hundred four million, sixty thousand, six hundred thirty-one".