85066988 has 12 divisors (see below), whose sum is σ = 148997520. Its totient is φ = 42496272.

The previous prime is 85066987. The next prime is 85066991. The reversal of 85066988 is 88966058.

It is not an unprimeable number, because it can be changed into a prime (85066987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3803 + ... + 13586.

It is an arithmetic number, because the mean of its divisors is an integer number (12416460).

Almost surely, 2^85066988 is an apocalyptic number.

It is an amenable number.

85066988 is a deficient number, since it is larger than the sum of its proper divisors (63930532).

85066988 is a wasteful number, since it uses less digits than its factorization.

85066988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18616 (or 18614 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 50.

The square root of 85066988 is about 9223.1766761783. The cubic root of 85066988 is about 439.7984407398.

The spelling of 85066988 in words is "eighty-five million, sixty-six thousand, nine hundred eighty-eight".