86685763 has 4 divisors (see below), whose sum is σ = 87096808. Its totient is φ = 86274720.

The previous prime is 86685751. The next prime is 86685769. The reversal of 86685763 is 36758668.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86685763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86685769) 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, 205206 + ... + 205627.

It is an arithmetic number, because the mean of its divisors is an integer number (21774202).

Almost surely, 2^86685763 is an apocalyptic number.

86685763 is a deficient number, since it is larger than the sum of its proper divisors (411045).

86685763 is a wasteful number, since it uses less digits than its factorization.

86685763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411044.

The product of its digits is 1451520, while the sum is 49.

The square root of 86685763 is about 9310.5189436465. The cubic root of 86685763 is about 442.5706323246.

The spelling of 86685763 in words is "eighty-six million, six hundred eighty-five thousand, seven hundred sixty-three".