85057798 has 8 divisors (see below), whose sum is σ = 145813392. Its totient is φ = 36453336.

The previous prime is 85057793. The next prime is 85057807. The reversal of 85057798 is 89775058.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85057793) 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, 3037765 + ... + 3037792.

It is an arithmetic number, because the mean of its divisors is an integer number (18226674).

Almost surely, 2^85057798 is an apocalyptic number.

85057798 is a deficient number, since it is larger than the sum of its proper divisors (60755594).

85057798 is a wasteful number, since it uses less digits than its factorization.

85057798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6075566.

The product of its (nonzero) digits is 705600, while the sum is 49.

The square root of 85057798 is about 9222.6784612714. The cubic root of 85057798 is about 439.7826026601.

The spelling of 85057798 in words is "eighty-five million, fifty-seven thousand, seven hundred ninety-eight".