85683238525 has 12 divisors (see below), whose sum is σ = 107527305312. Its totient is φ = 67720726640.

The previous prime is 85683238519. The next prime is 85683238549. The reversal of 85683238525 is 52583238658.

It is a happy number.

It is not a de Polignac number, because 85683238525 - 2¹⁷ = 85683107453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20644489 + ... + 20648638.

It is an arithmetic number, because the mean of its divisors is an integer number (8960608776).

Almost surely, 2^85683238525 is an apocalyptic number.

It is an amenable number.

85683238525 is a deficient number, since it is larger than the sum of its proper divisors (21844066787).

85683238525 is a wasteful number, since it uses less digits than its factorization.

85683238525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41293220 (or 41293215 counting only the distinct ones).

The product of its digits is 13824000, while the sum is 55.

The spelling of 85683238525 in words is "eighty-five billion, six hundred eighty-three million, two hundred thirty-eight thousand, five hundred twenty-five".