85379900 has 18 divisors (see below), whose sum is σ = 185274600. Its totient is φ = 34151920.

The previous prime is 85379891. The next prime is 85379911. The reversal of 85379900 is 997358.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 426800 + ... + 426999.

Almost surely, 2^85379900 is an apocalyptic number.

It is an amenable number.

85379900 is an abundant number, since it is smaller than the sum of its proper divisors (99894700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85379900 is a wasteful number, since it uses less digits than its factorization.

85379900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853813 (or 853806 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 85379900 is about 9240.1244580363. The cubic root of 85379900 is about 440.3370351573.

The spelling of 85379900 in words is "eighty-five million, three hundred seventy-nine thousand, nine hundred".