84097743876 has 36 divisors (see below), whose sum is σ = 213115911372. Its totient is φ = 27961965504.

The previous prime is 84097743841. The next prime is 84097743883. The reversal of 84097743876 is 67834779048.

84097743876 is a `hidden beast` number, since 8 + 40 + 97 + 7 + 438 + 76 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 38779849476 + 45317894400 = 196926^2 + 212880^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2927835 + ... + 2956418.

It is an arithmetic number, because the mean of its divisors is an integer number (5919886427).

Almost surely, 2^84097743876 is an apocalyptic number.

It is an amenable number.

84097743876 is an abundant number, since it is smaller than the sum of its proper divisors (129018167496).

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

84097743876 is a wasteful number, since it uses less digits than its factorization.

84097743876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5884660 (or 5884655 counting only the distinct ones).

The product of its (nonzero) digits is 56899584, while the sum is 63.

The spelling of 84097743876 in words is "eighty-four billion, ninety-seven million, seven hundred forty-three thousand, eight hundred seventy-six".