84850400365920 has 768 divisors, whose sum is σ = 350055414374400. Its totient is φ = 18793761177600.

The previous prime is 84850400365909. The next prime is 84850400365933. The reversal of 84850400365920 is 2956300405848.

84850400365920 is a `hidden beast` number, since 8 + 4 + 8 + 5 + 0 + 40 + 0 + 3 + 6 + 592 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 143253736 + ... + 143844824.

It is an arithmetic number, because the mean of its divisors is an integer number (455801320800).

Almost surely, 2^{84850400365920} is an apocalyptic number.

84850400365920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84850400365920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175027707187200).

84850400365920 is an abundant number, since it is smaller than the sum of its proper divisors (265205014008480).

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

84850400365920 is a wasteful number, since it uses less digits than its factorization.

84850400365920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591268 (or 591254 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 54.

The spelling of 84850400365920 in words is "eighty-four trillion, eight hundred fifty billion, four hundred million, three hundred sixty-five thousand, nine hundred twenty".