85399645248 has 140 divisors (see below), whose sum is σ = 268042831452. Its totient is φ = 26792017920.

The previous prime is 85399645183. The next prime is 85399645267. The reversal of 85399645248 is 84254699358.

85399645248 is a `hidden beast` number, since 8 + 53 + 9 + 96 + 452 + 48 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 45450828864 + 39948816384 = 213192^2 + 199872^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 396393 + ... + 572648.

Almost surely, 2^85399645248 is an apocalyptic number.

It is an amenable number.

85399645248 is an abundant number, since it is smaller than the sum of its proper divisors (182643186204).

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

85399645248 is a wasteful number, since it uses less digits than its factorization.

85399645248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969082 (or 969063 counting only the distinct ones).

The product of its digits is 74649600, while the sum is 63.

The spelling of 85399645248 in words is "eighty-five billion, three hundred ninety-nine million, six hundred forty-five thousand, two hundred forty-eight".