84921952086 has 12 divisors (see below), whose sum is σ = 183997562892. Its totient is φ = 28307317356.

The previous prime is 84921952069. The next prime is 84921952109. The reversal of 84921952086 is 68025912948.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2358943096 + ... + 2358943131.

It is an arithmetic number, because the mean of its divisors is an integer number (15333130241).

Almost surely, 2^84921952086 is an apocalyptic number.

84921952086 is an abundant number, since it is smaller than the sum of its proper divisors (99075610806).

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

84921952086 is a wasteful number, since it uses less digits than its factorization.

84921952086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4717886235 (or 4717886232 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The spelling of 84921952086 in words is "eighty-four billion, nine hundred twenty-one million, nine hundred fifty-two thousand, eighty-six".