85507700 has 36 divisors (see below), whose sum is σ = 186050592. Its totient is φ = 34111200.

The previous prime is 85507691. The next prime is 85507717. The reversal of 85507700 is 770558.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45785 + ... + 47615.

It is an arithmetic number, because the mean of its divisors is an integer number (5168072).

Almost surely, 2^85507700 is an apocalyptic number.

It is an amenable number.

85507700 is an abundant number, since it is smaller than the sum of its proper divisors (100542892).

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

85507700 is a wasteful number, since it uses less digits than its factorization.

85507700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2312 (or 2305 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 32.

The square root of 85507700 is about 9247.0373633937. The cubic root of 85507700 is about 440.5566302383.

The spelling of 85507700 in words is "eighty-five million, five hundred seven thousand, seven hundred".