85747412 has 6 divisors (see below), whose sum is σ = 150057978. Its totient is φ = 42873704.

The previous prime is 85747379. The next prime is 85747421. The reversal of 85747412 is 21474758.

It can be written as a sum of positive squares in only one way, i.e., 84015556 + 1731856 = 9166^2 + 1316^2 .

It is a congruent number.

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, 10718423 + ... + 10718430.

It is an arithmetic number, because the mean of its divisors is an integer number (25009663).

Almost surely, 2^85747412 is an apocalyptic number.

It is an amenable number.

85747412 is a deficient number, since it is larger than the sum of its proper divisors (64310566).

85747412 is a wasteful number, since it uses less digits than its factorization.

85747412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21436857 (or 21436855 counting only the distinct ones).

The product of its digits is 62720, while the sum is 38.

The square root of 85747412 is about 9259.9898488065. The cubic root of 85747412 is about 440.9679311251.

The spelling of 85747412 in words is "eighty-five million, seven hundred forty-seven thousand, four hundred twelve".