85782148 has 6 divisors (see below), whose sum is σ = 150118766. Its totient is φ = 42891072.

The previous prime is 85782133. The next prime is 85782149. The reversal of 85782148 is 84128758.

It can be written as a sum of positive squares in only one way, i.e., 61496964 + 24285184 = 7842^2 + 4928^2 .

It is not an unprimeable number, because it can be changed into a prime (85782149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10722765 + ... + 10722772.

Almost surely, 2^85782148 is an apocalyptic number.

It is an amenable number.

85782148 is a deficient number, since it is larger than the sum of its proper divisors (64336618).

85782148 is a wasteful number, since it uses less digits than its factorization.

85782148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21445541 (or 21445539 counting only the distinct ones).

The product of its digits is 143360, while the sum is 43.

The square root of 85782148 is about 9261.8652549041. The cubic root of 85782148 is about 441.0274679819.

The spelling of 85782148 in words is "eighty-five million, seven hundred eighty-two thousand, one hundred forty-eight".