84889238824836 has 36 divisors (see below), whose sum is σ = 218629832072652. Its totient is φ = 27762518357184.

The previous prime is 84889238824823. The next prime is 84889238824837. The reversal of 84889238824836 is 63842883298848.

84889238824836 is a `hidden beast` number, since 8 + 4 + 88 + 92 + 388 + 2 + 48 + 36 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 69698186919936 + 15191051904900 = 8348544^2 + 3897570^2 .

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

It is not an unprimeable number, because it can be changed into a prime (84889238824837) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 22245605751 + ... + 22245609566.

It is an arithmetic number, because the mean of its divisors is an integer number (6073050890907).

Almost surely, 2^{84889238824836} is an apocalyptic number.

It is an amenable number.

84889238824836 is an abundant number, since it is smaller than the sum of its proper divisors (133740593247816).

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

84889238824836 is a wasteful number, since it uses less digits than its factorization.

84889238824836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44491215380 (or 44491215375 counting only the distinct ones).

The product of its digits is 8153726976, while the sum is 81.

The spelling of 84889238824836 in words is "eighty-four trillion, eight hundred eighty-nine billion, two hundred thirty-eight million, eight hundred twenty-four thousand, eight hundred thirty-six".