85244798 has 4 divisors (see below), whose sum is σ = 127867200. Its totient is φ = 42622398.

The previous prime is 85244771. The next prime is 85244839. The reversal of 85244798 is 89744258.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21311198 + ... + 21311201.

It is an arithmetic number, because the mean of its divisors is an integer number (31966800).

Almost surely, 2^85244798 is an apocalyptic number.

85244798 is a deficient number, since it is larger than the sum of its proper divisors (42622402).

85244798 is a wasteful number, since it uses less digits than its factorization.

85244798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42622401.

The product of its digits is 645120, while the sum is 47.

The square root of 85244798 is about 9232.8109479183. The cubic root of 85244798 is about 440.1046548577.

The spelling of 85244798 in words is "eighty-five million, two hundred forty-four thousand, seven hundred ninety-eight".