85527272280 has 32 divisors (see below), whose sum is σ = 256581817200. Its totient is φ = 22807272576.

The previous prime is 85527272279. The next prime is 85527272293. The reversal of 85527272280 is 8227272558.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 356363515 + ... + 356363754.

Almost surely, 2^85527272280 is an apocalyptic number.

It is an amenable number.

85527272280 is an abundant number, since it is smaller than the sum of its proper divisors (171054544920).

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

85527272280 is a wasteful number, since it uses less digits than its factorization.

85527272280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712727283 (or 712727279 counting only the distinct ones).

The product of its (nonzero) digits is 1254400, while the sum is 48.

The spelling of 85527272280 in words is "eighty-five billion, five hundred twenty-seven million, two hundred seventy-two thousand, two hundred eighty".