84823412540 has 48 divisors (see below), whose sum is σ = 184405032000. Its totient is φ = 32735657472.

The previous prime is 84823412501. The next prime is 84823412549. The reversal of 84823412540 is 4521432848.

It is a happy number.

It is a super-2 number, since 2×84823412540² (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 (84823412549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 759152 + ... + 863688.

It is an arithmetic number, because the mean of its divisors is an integer number (3841771500).

Almost surely, 2^84823412540 is an apocalyptic number.

It is an amenable number.

84823412540 is an abundant number, since it is smaller than the sum of its proper divisors (99581619460).

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

84823412540 is a wasteful number, since it uses less digits than its factorization.

84823412540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105974 (or 105972 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 41.

The spelling of 84823412540 in words is "eighty-four billion, eight hundred twenty-three million, four hundred twelve thousand, five hundred forty".