84813427839364 has 72 divisors (see below), whose sum is σ = 176881778666712. Its totient is φ = 35459102568960.

The previous prime is 84813427839347. The next prime is 84813427839403. The reversal of 84813427839364 is 46393872431848.

It can be written as a sum of positive squares in 4 ways, for example, as 50471216964 + 84762956622400 = 224658^2 + 9206680^2 .

It is a junction number, because it is equal to n+sod(n) for n = 84813427839293 and 84813427839302.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 97259574 + ... + 98127730.

It is an arithmetic number, because the mean of its divisors is an integer number (2456691370371).

Almost surely, 2^{84813427839364} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84813427839364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88440889333356).

84813427839364 is an abundant number, since it is smaller than the sum of its proper divisors (92068350827348).

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

84813427839364 is a wasteful number, since it uses less digits than its factorization.

84813427839364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880373 (or 880364 counting only the distinct ones).

The product of its digits is 668860416, while the sum is 70.

The spelling of 84813427839364 in words is "eighty-four trillion, eight hundred thirteen billion, four hundred twenty-seven million, eight hundred thirty-nine thousand, three hundred sixty-four".