84951446187 has 6 divisors (see below), whose sum is σ = 113269268028. Its totient is φ = 56633960904.

The previous prime is 84951446183. The next prime is 84951446201. The reversal of 84951446187 is 78164415948.

It is not a de Polignac number, because 84951446187 - 2² = 84951446183 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84951446183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 420693 + ... + 588969.

It is an arithmetic number, because the mean of its divisors is an integer number (18878211338).

Almost surely, 2^84951446187 is an apocalyptic number.

84951446187 is a deficient number, since it is larger than the sum of its proper divisors (28317821841).

84951446187 is an frugal number, since it uses more digits than its factorization.

84951446187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336557 (or 168280 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 57.

The spelling of 84951446187 in words is "eighty-four billion, nine hundred fifty-one million, four hundred forty-six thousand, one hundred eighty-seven".