85263998 has 8 divisors (see below), whose sum is σ = 129162600. Its totient is φ = 42209800.

The previous prime is 85263979. The next prime is 85264019. The reversal of 85263998 is 89936258.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210848 + ... + 211251.

It is an arithmetic number, because the mean of its divisors is an integer number (16145325).

Almost surely, 2^85263998 is an apocalyptic number.

85263998 is a deficient number, since it is larger than the sum of its proper divisors (43898602).

85263998 is a wasteful number, since it uses less digits than its factorization.

85263998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422202.

The product of its digits is 933120, while the sum is 50.

The square root of 85263998 is about 9233.8506593945. The cubic root of 85263998 is about 440.1376945084.

The spelling of 85263998 in words is "eighty-five million, two hundred sixty-three thousand, nine hundred ninety-eight".