85718764 has 6 divisors (see below), whose sum is σ = 150007844. Its totient is φ = 42859380.

The previous prime is 85718761. The next prime is 85718767. The reversal of 85718764 is 46781758.

It is an interprime number because it is at equal distance from previous prime (85718761) and next prime (85718767).

It is not an unprimeable number, because it can be changed into a prime (85718761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10714842 + ... + 10714849.

Almost surely, 2^85718764 is an apocalyptic number.

It is an amenable number.

85718764 is a deficient number, since it is larger than the sum of its proper divisors (64289080).

85718764 is a wasteful number, since it uses less digits than its factorization.

85718764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21429695 (or 21429693 counting only the distinct ones).

The product of its digits is 376320, while the sum is 46.

The square root of 85718764 is about 9258.4428496373. The cubic root of 85718764 is about 440.9188168871.

The spelling of 85718764 in words is "eighty-five million, seven hundred eighteen thousand, seven hundred sixty-four".