84887823972 has 24 divisors (see below), whose sum is σ = 226367530816. Its totient is φ = 24253663968.

The previous prime is 84887823959. The next prime is 84887823973. The reversal of 84887823972 is 27932878848.

It is not an unprimeable number, because it can be changed into a prime (84887823973) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 505284583 + ... + 505284750.

Almost surely, 2^84887823972 is an apocalyptic number.

It is an amenable number.

84887823972 is an abundant number, since it is smaller than the sum of its proper divisors (141479706844).

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

84887823972 is a wasteful number, since it uses less digits than its factorization.

84887823972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010569347 (or 1010569345 counting only the distinct ones).

The product of its digits is 86704128, while the sum is 66.

The spelling of 84887823972 in words is "eighty-four billion, eight hundred eighty-seven million, eight hundred twenty-three thousand, nine hundred seventy-two".