85458826651 has 16 divisors (see below), whose sum is σ = 100384894080. Its totient is φ = 71880522880.

The previous prime is 85458826637. The next prime is 85458826721. The reversal of 85458826651 is 15662885458.

It is a cyclic number.

It is not a de Polignac number, because 85458826651 - 2⁹ = 85458826139 is a prime.

It is a super-2 number, since 2×85458826651² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85458820651) 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 15 ways as a sum of consecutive naturals, for example, 3861841 + ... + 3883906.

It is an arithmetic number, because the mean of its divisors is an integer number (6274055880).

Almost surely, 2^85458826651 is an apocalyptic number.

85458826651 is a deficient number, since it is larger than the sum of its proper divisors (14926067429).

85458826651 is a wasteful number, since it uses less digits than its factorization.

85458826651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7745834.

The product of its digits is 18432000, while the sum is 58.

The spelling of 85458826651 in words is "eighty-five billion, four hundred fifty-eight million, eight hundred twenty-six thousand, six hundred fifty-one".