85146651 has 6 divisors (see below), whose sum is σ = 122989620. Its totient is φ = 56764428.

The previous prime is 85146647. The next prime is 85146661. The reversal of 85146651 is 15664158.

It is not a de Polignac number, because 85146651 - 2² = 85146647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85146631) 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 in 5 ways as a sum of consecutive naturals, for example, 4730361 + ... + 4730378.

It is an arithmetic number, because the mean of its divisors is an integer number (20498270).

Almost surely, 2^85146651 is an apocalyptic number.

85146651 is a deficient number, since it is larger than the sum of its proper divisors (37842969).

85146651 is a wasteful number, since it uses less digits than its factorization.

85146651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9460745 (or 9460742 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 85146651 is about 9227.4942969367. The cubic root of 85146651 is about 439.9356844699.

The spelling of 85146651 in words is "eighty-five million, one hundred forty-six thousand, six hundred fifty-one".