84890699194824 has 48 divisors (see below), whose sum is σ = 243436563871020. Its totient is φ = 26632376217600.

The previous prime is 84890699194823. The next prime is 84890699194867. The reversal of 84890699194824 is 42849199609848.

84890699194824 is a `hidden beast` number, since 8 + 48 + 9 + 0 + 6 + 9 + 91 + 9 + 482 + 4 = 666.

84890699194824 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 83915309880900 + 975389313924 = 9160530^2 + 987618^2 .

It is not an unprimeable number, because it can be changed into a prime (84890699194823) 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, 34677571977 + ... + 34677574424.

Almost surely, 2^{84890699194824} is an apocalyptic number.

It is an amenable number.

84890699194824 is an abundant number, since it is smaller than the sum of its proper divisors (158545864676196).

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

84890699194824 is a wasteful number, since it uses less digits than its factorization.

84890699194824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69355146430 (or 69355146423 counting only the distinct ones).

The product of its (nonzero) digits is 2579890176, while the sum is 81.

The spelling of 84890699194824 in words is "eighty-four trillion, eight hundred ninety billion, six hundred ninety-nine million, one hundred ninety-four thousand, eight hundred twenty-four".