85748452 has 6 divisors (see below), whose sum is σ = 150059798. Its totient is φ = 42874224.

The previous prime is 85748441. The next prime is 85748461. The reversal of 85748452 is 25484758.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 84529636 + 1218816 = 9194^2 + 1104^2 .

It is a junction number, because it is equal to n+sod(n) for n = 85748399 and 85748408.

It is an unprimeable number.

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, 10718553 + ... + 10718560.

Almost surely, 2^85748452 is an apocalyptic number.

It is an amenable number.

85748452 is a deficient number, since it is larger than the sum of its proper divisors (64311346).

85748452 is a wasteful number, since it uses less digits than its factorization.

85748452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21437117 (or 21437115 counting only the distinct ones).

The product of its digits is 358400, while the sum is 43.

The square root of 85748452 is about 9260.0460042054. The cubic root of 85748452 is about 440.9697138992.

The spelling of 85748452 in words is "eighty-five million, seven hundred forty-eight thousand, four hundred fifty-two".