85899378 has 16 divisors (see below), whose sum is σ = 171889920. Its totient is φ = 28617936.

The previous prime is 85899367. The next prime is 85899383. The reversal of 85899378 is 87399858.

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, 18751 + ... + 22877.

It is an arithmetic number, because the mean of its divisors is an integer number (10743120).

Almost surely, 2^85899378 is an apocalyptic number.

85899378 is an abundant number, since it is smaller than the sum of its proper divisors (85990542).

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

85899378 is a wasteful number, since it uses less digits than its factorization.

85899378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7601.

The product of its digits is 4354560, while the sum is 57.

The square root of 85899378 is about 9268.1917330189. The cubic root of 85899378 is about 441.2282794456.

The spelling of 85899378 in words is "eighty-five million, eight hundred ninety-nine thousand, three hundred seventy-eight".