86000786 has 4 divisors (see below), whose sum is σ = 129001182. Its totient is φ = 43000392.

The previous prime is 86000779. The next prime is 86000801. The reversal of 86000786 is 68700068.

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., 53567761 + 32433025 = 7319^2 + 5695^2 .

It is a super-2 number, since 2×86000786² = 14792270385235592, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21500195 + ... + 21500198.

Almost surely, 2^86000786 is an apocalyptic number.

86000786 is a deficient number, since it is larger than the sum of its proper divisors (43000396).

86000786 is a wasteful number, since it uses less digits than its factorization.

86000786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43000395.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 86000786 is about 9273.6608736787. The cubic root of 86000786 is about 441.4018409719.

The spelling of 86000786 in words is "eighty-six million, seven hundred eighty-six", and thus it is an aban number.