85807388 has 24 divisors (see below), whose sum is σ = 157248000. Its totient is φ = 40892720.

The previous prime is 85807373. The next prime is 85807391. The reversal of 85807388 is 88370858.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27113 + ... + 30111.

It is an arithmetic number, because the mean of its divisors is an integer number (6552000).

Almost surely, 2^85807388 is an apocalyptic number.

It is an amenable number.

85807388 is a deficient number, since it is larger than the sum of its proper divisors (71440612).

85807388 is a wasteful number, since it uses less digits than its factorization.

85807388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3337 (or 3335 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 47.

The square root of 85807388 is about 9263.2277311961. The cubic root of 85807388 is about 441.0707187902.

The spelling of 85807388 in words is "eighty-five million, eight hundred seven thousand, three hundred eighty-eight".