85492510238 has 32 divisors (see below), whose sum is σ = 135771111840. Its totient is φ = 40374101376.

The previous prime is 85492510211. The next prime is 85492510283. The reversal of 85492510238 is 83201529458.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 85492510192 and 85492510201.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4613720 + ... + 4632212.

It is an arithmetic number, because the mean of its divisors is an integer number (4242847245).

Almost surely, 2^85492510238 is an apocalyptic number.

85492510238 is a deficient number, since it is larger than the sum of its proper divisors (50278601602).

85492510238 is a wasteful number, since it uses less digits than its factorization.

85492510238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18889 (or 18851 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 47.

The spelling of 85492510238 in words is "eighty-five billion, four hundred ninety-two million, five hundred ten thousand, two hundred thirty-eight".