85272387475257 has 12 divisors (see below), whose sum is σ = 123171560516160. Its totient is φ = 56848104087768.

The previous prime is 85272387475229. The next prime is 85272387475259. The reversal of 85272387475257 is 75257478327258.

85272387475257 is a `hidden beast` number, since 8 + 5 + 2 + 7 + 23 + 8 + 74 + 7 + 525 + 7 = 666.

It is not a de Polignac number, because 85272387475257 - 2¹⁰ = 85272387474233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85272387475259) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9299053 + ... + 16031754.

It is an arithmetic number, because the mean of its divisors is an integer number (10264296709680).

Almost surely, 2^{85272387475257} is an apocalyptic number.

It is an amenable number.

85272387475257 is a deficient number, since it is larger than the sum of its proper divisors (37899173040903).

85272387475257 is a wasteful number, since it uses less digits than its factorization.

85272387475257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25704852 (or 25704849 counting only the distinct ones).

The product of its digits is 1843968000, while the sum is 72.

The spelling of 85272387475257 in words is "eighty-five trillion, two hundred seventy-two billion, three hundred eighty-seven million, four hundred seventy-five thousand, two hundred fifty-seven".