85812726491 has 8 divisors (see below), whose sum is σ = 92033511120. Its totient is φ = 79762374432.

The previous prime is 85812726421. The next prime is 85812726499. The reversal of 85812726491 is 19462721858.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85812726491 - 2¹⁴ = 85812710107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85812726499) 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 7 ways as a sum of consecutive naturals, for example, 42607100 + ... + 42609113.

It is an arithmetic number, because the mean of its divisors is an integer number (11504188890).

Almost surely, 2^85812726491 is an apocalyptic number.

85812726491 is a deficient number, since it is larger than the sum of its proper divisors (6220784629).

85812726491 is a wasteful number, since it uses less digits than its factorization.

85812726491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85216285.

The product of its digits is 1935360, while the sum is 53.

The spelling of 85812726491 in words is "eighty-five billion, eight hundred twelve million, seven hundred twenty-six thousand, four hundred ninety-one".