84259626671 has 12 divisors (see below), whose sum is σ = 92623199256. Its totient is φ = 76593667920.

The previous prime is 84259626631. The next prime is 84259626673. The reversal of 84259626671 is 17662695248.

It is a de Polignac number, because none of the positive numbers 2^k-84259626671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84259626673) 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, 2461445 + ... + 2495441.

It is an arithmetic number, because the mean of its divisors is an integer number (7718599938).

Almost surely, 2^84259626671 is an apocalyptic number.

84259626671 is a deficient number, since it is larger than the sum of its proper divisors (8363572585).

84259626671 is a wasteful number, since it uses less digits than its factorization.

84259626671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54502 (or 54491 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 56.

The spelling of 84259626671 in words is "eighty-four billion, two hundred fifty-nine million, six hundred twenty-six thousand, six hundred seventy-one".