85216763 has 4 divisors (see below), whose sum is σ = 85531488. Its totient is φ = 84902040.

The previous prime is 85216757. The next prime is 85216777. The reversal of 85216763 is 36761258.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36761258 = 2 ⋅18380629.

It is a cyclic number.

It is not a de Polignac number, because 85216763 - 2⁸ = 85216507 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85216723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156956 + ... + 157497.

It is an arithmetic number, because the mean of its divisors is an integer number (21382872).

Almost surely, 2^85216763 is an apocalyptic number.

85216763 is a deficient number, since it is larger than the sum of its proper divisors (314725).

85216763 is a wasteful number, since it uses less digits than its factorization.

85216763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314724.

The product of its digits is 60480, while the sum is 38.

The square root of 85216763 is about 9231.2925963811. The cubic root of 85216763 is about 440.0564028935.

The spelling of 85216763 in words is "eighty-five million, two hundred sixteen thousand, seven hundred sixty-three".