84860818875 has 192 divisors, whose sum is σ = 185634229248. Its totient is φ = 36408960000.

The previous prime is 84860818811. The next prime is 84860818879. The reversal of 84860818875 is 57881806848.

84860818875 is a `hidden beast` number, since 8 + 4 + 8 + 608 + 18 + 8 + 7 + 5 = 666.

It is not a de Polignac number, because 84860818875 - 2⁶ = 84860818811 is a prime.

It is a super-3 number, since 3×84860818875³ (a number of 34 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (84860818879) 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 191 ways as a sum of consecutive naturals, for example, 65731980 + ... + 65733270.

It is an arithmetic number, because the mean of its divisors is an integer number (966844944).

Almost surely, 2^84860818875 is an apocalyptic number.

84860818875 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

84860818875 is an abundant number, since it is smaller than the sum of its proper divisors (100773410373).

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

84860818875 is a wasteful number, since it uses less digits than its factorization.

84860818875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1827 (or 1814 counting only the distinct ones).

The product of its (nonzero) digits is 27525120, while the sum is 63.

The spelling of 84860818875 in words is "eighty-four billion, eight hundred sixty million, eight hundred eighteen thousand, eight hundred seventy-five".