84947886892 has 18 divisors (see below), whose sum is σ = 163401824684. Its totient is φ = 38612675640.

The previous prime is 84947886889. The next prime is 84947886893. The reversal of 84947886892 is 29868874948.

It is a super-2 number, since 2×84947886892² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84947886893) 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 5 ways as a sum of consecutive naturals, for example, 87755598 + ... + 87756565.

Almost surely, 2^84947886892 is an apocalyptic number.

It is an amenable number.

84947886892 is a deficient number, since it is larger than the sum of its proper divisors (78453937792).

84947886892 is a wasteful number, since it uses less digits than its factorization.

84947886892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175512189 (or 175512176 counting only the distinct ones).

The product of its digits is 445906944, while the sum is 73.

The spelling of 84947886892 in words is "eighty-four billion, nine hundred forty-seven million, eight hundred eighty-six thousand, eight hundred ninety-two".