85484212631 has 4 divisors (see below), whose sum is σ = 89200917552. Its totient is φ = 81767507712.

The previous prime is 85484212621. The next prime is 85484212651. The reversal of 85484212631 is 13621248458.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85484212631 - 2¹⁰ = 85484211607 is a prime.

It is a super-2 number, since 2×85484212631² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85484212621) 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 3 ways as a sum of consecutive naturals, for example, 1858352426 + ... + 1858352471.

It is an arithmetic number, because the mean of its divisors is an integer number (22300229388).

Almost surely, 2^85484212631 is an apocalyptic number.

85484212631 is a deficient number, since it is larger than the sum of its proper divisors (3716704921).

85484212631 is a wasteful number, since it uses less digits than its factorization.

85484212631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3716704920.

The product of its digits is 368640, while the sum is 44.

The spelling of 85484212631 in words is "eighty-five billion, four hundred eighty-four million, two hundred twelve thousand, six hundred thirty-one".