84634634862 has 32 divisors (see below), whose sum is σ = 188741583360. Its totient is φ = 28111852440.

The previous prime is 84634634849. The next prime is 84634634869. The reversal of 84634634862 is 26843643648.

84634634862 is a `hidden beast` number, since 84 + 6 + 3 + 463 + 48 + 62 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 84634634799 and 84634634808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84634634869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2753814 + ... + 2784377.

It is an arithmetic number, because the mean of its divisors is an integer number (5898174480).

Almost surely, 2^84634634862 is an apocalyptic number.

84634634862 is an abundant number, since it is smaller than the sum of its proper divisors (104106948498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84634634862 is a wasteful number, since it uses less digits than its factorization.

84634634862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5538485 (or 5538479 counting only the distinct ones).

The product of its digits is 15925248, while the sum is 54.

The spelling of 84634634862 in words is "eighty-four billion, six hundred thirty-four million, six hundred thirty-four thousand, eight hundred sixty-two".