85549825148 has 6 divisors (see below), whose sum is σ = 149712194016. Its totient is φ = 42774912572.

The previous prime is 85549825133. The next prime is 85549825177. The reversal of 85549825148 is 84152894558.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10693728140 + ... + 10693728147.

It is an arithmetic number, because the mean of its divisors is an integer number (24952032336).

Almost surely, 2^85549825148 is an apocalyptic number.

It is an amenable number.

85549825148 is a deficient number, since it is larger than the sum of its proper divisors (64162368868).

85549825148 is a wasteful number, since it uses less digits than its factorization.

85549825148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21387456291 (or 21387456289 counting only the distinct ones).

The product of its digits is 18432000, while the sum is 59.

The spelling of 85549825148 in words is "eighty-five billion, five hundred forty-nine million, eight hundred twenty-five thousand, one hundred forty-eight".