85040860 has 24 divisors (see below), whose sum is σ = 182387520. Its totient is φ = 33292224.

The previous prime is 85040803. The next prime is 85040861. The reversal of 85040860 is 6804058.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85040861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44295 + ... + 46174.

It is an arithmetic number, because the mean of its divisors is an integer number (7599480).

Almost surely, 2^85040860 is an apocalyptic number.

It is an amenable number.

85040860 is an abundant number, since it is smaller than the sum of its proper divisors (97346660).

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

85040860 is a wasteful number, since it uses less digits than its factorization.

85040860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90525 (or 90523 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 85040860 is about 9221.7601356791. The cubic root of 85040860 is about 439.7534086594.

The spelling of 85040860 in words is "eighty-five million, forty thousand, eight hundred sixty".