86485786 has 4 divisors (see below), whose sum is σ = 129728682. Its totient is φ = 43242892.

The previous prime is 86485733. The next prime is 86485787. The reversal of 86485786 is 68758468.

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

It can be written as a sum of positive squares in only one way, i.e., 73633561 + 12852225 = 8581^2 + 3585^2 .

It is not an unprimeable number, because it can be changed into a prime (86485787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21621445 + ... + 21621448.

Almost surely, 2^86485786 is an apocalyptic number.

86485786 is a deficient number, since it is larger than the sum of its proper divisors (43242896).

86485786 is a wasteful number, since it uses less digits than its factorization.

86485786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43242895.

The product of its digits is 2580480, while the sum is 52.

The square root of 86485786 is about 9299.7734381005. The cubic root of 86485786 is about 442.2300454787.

The spelling of 86485786 in words is "eighty-six million, four hundred eighty-five thousand, seven hundred eighty-six".