85868998 has 16 divisors (see below), whose sum is σ = 130928400. Its totient is φ = 42232096.

The previous prime is 85868969. The next prime is 85869011. The reversal of 85868998 is 89986858.

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, 30540 + ... + 33232.

It is an arithmetic number, because the mean of its divisors is an integer number (8183025).

Almost surely, 2^85868998 is an apocalyptic number.

85868998 is a deficient number, since it is larger than the sum of its proper divisors (45059402).

85868998 is a wasteful number, since it uses less digits than its factorization.

85868998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2951.

The product of its digits is 9953280, while the sum is 61.

The square root of 85868998 is about 9266.5526491787. The cubic root of 85868998 is about 441.1762569669.

The spelling of 85868998 in words is "eighty-five million, eight hundred sixty-eight thousand, nine hundred ninety-eight".