85025638 has 8 divisors (see below), whose sum is σ = 128801520. Its totient is φ = 42091800.

The previous prime is 85025599. The next prime is 85025657. The reversal of 85025638 is 83652058.

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

It is a junction number, because it is equal to n+sod(n) for n = 85025597 and 85025606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210258 + ... + 210661.

It is an arithmetic number, because the mean of its divisors is an integer number (16100190).

Almost surely, 2^85025638 is an apocalyptic number.

85025638 is a deficient number, since it is larger than the sum of its proper divisors (43775882).

85025638 is a wasteful number, since it uses less digits than its factorization.

85025638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421022.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 85025638 is about 9220.9347682326. The cubic root of 85025638 is about 439.7271690148.

The spelling of 85025638 in words is "eighty-five million, twenty-five thousand, six hundred thirty-eight".