85642810626 has 32 divisors (see below), whose sum is σ = 179342916480. Its totient is φ = 27213194624.

The previous prime is 85642810607. The next prime is 85642810657. The reversal of 85642810626 is 62601824658.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1018611 + ... + 1099478.

It is an arithmetic number, because the mean of its divisors is an integer number (5604466140).

Almost surely, 2^85642810626 is an apocalyptic number.

85642810626 is an abundant number, since it is smaller than the sum of its proper divisors (93700105854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85642810626 is a wasteful number, since it uses less digits than its factorization.

85642810626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2118410.

The product of its (nonzero) digits is 1105920, while the sum is 48.

The spelling of 85642810626 in words is "eighty-five billion, six hundred forty-two million, eight hundred ten thousand, six hundred twenty-six".