85455700272 has 40 divisors (see below), whose sum is σ = 245289511280. Its totient is φ = 28485233280.

The previous prime is 85455700243. The next prime is 85455700273. The reversal of 85455700272 is 27200755458.

85455700272 is a `hidden beast` number, since 8 + 5 + 4 + 5 + 570 + 0 + 2 + 72 = 666.

It is not an unprimeable number, because it can be changed into a prime (85455700273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98906629 + ... + 98907492.

It is an arithmetic number, because the mean of its divisors is an integer number (6132237782).

Almost surely, 2^85455700272 is an apocalyptic number.

It is an amenable number.

85455700272 is an abundant number, since it is smaller than the sum of its proper divisors (159833811008).

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

85455700272 is a wasteful number, since it uses less digits than its factorization.

85455700272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197814138 (or 197814126 counting only the distinct ones).

The product of its (nonzero) digits is 784000, while the sum is 45.

The spelling of 85455700272 in words is "eighty-five billion, four hundred fifty-five million, seven hundred thousand, two hundred seventy-two".