86663983 has 4 divisors (see below), whose sum is σ = 99044560. Its totient is φ = 74283408.

The previous prime is 86663933. The next prime is 86663987. The reversal of 86663983 is 38936668.

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

It is a cyclic number.

It is not a de Polignac number, because 86663983 - 2¹⁷ = 86532911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86663987) 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, 6190278 + ... + 6190291.

It is an arithmetic number, because the mean of its divisors is an integer number (24761140).

Almost surely, 2^86663983 is an apocalyptic number.

86663983 is a deficient number, since it is larger than the sum of its proper divisors (12380577).

86663983 is a wasteful number, since it uses less digits than its factorization.

86663983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12380576.

The product of its digits is 1119744, while the sum is 49.

The square root of 86663983 is about 9309.3492253755. The cubic root of 86663983 is about 442.5335635856.

The spelling of 86663983 in words is "eighty-six million, six hundred sixty-three thousand, nine hundred eighty-three".