85668830 has 16 divisors (see below), whose sum is σ = 166065984. Its totient is φ = 31631520.

The previous prime is 85668811. The next prime is 85668839. The reversal of 85668830 is 3886658.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85668839) 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, 329366 + ... + 329625.

It is an arithmetic number, because the mean of its divisors is an integer number (10379124).

Almost surely, 2^85668830 is an apocalyptic number.

85668830 is a deficient number, since it is larger than the sum of its proper divisors (80397154).

85668830 is a wasteful number, since it uses less digits than its factorization.

85668830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659011.

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 85668830 is about 9255.7457830258. The cubic root of 85668830 is about 440.8331836848.

The spelling of 85668830 in words is "eighty-five million, six hundred sixty-eight thousand, eight hundred thirty".