85840887 has 8 divisors (see below), whose sum is σ = 124859520. Its totient is φ = 52024760.

The previous prime is 85840883. The next prime is 85840889. The reversal of 85840887 is 78804858.

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

It is a cyclic number.

It is not a de Polignac number, because 85840887 - 2² = 85840883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85840883) 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, 1300587 + ... + 1300652.

It is an arithmetic number, because the mean of its divisors is an integer number (15607440).

Almost surely, 2^85840887 is an apocalyptic number.

85840887 is a deficient number, since it is larger than the sum of its proper divisors (39018633).

85840887 is a wasteful number, since it uses less digits than its factorization.

85840887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2601253.

The product of its (nonzero) digits is 573440, while the sum is 48.

The square root of 85840887 is about 9265.0357257811. The cubic root of 85840887 is about 441.1281089754.

The spelling of 85840887 in words is "eighty-five million, eight hundred forty thousand, eight hundred eighty-seven".