86403766 has 8 divisors (see below), whose sum is σ = 132363360. Its totient is φ = 42282648.

The previous prime is 86403763. The next prime is 86403787. The reversal of 86403766 is 66730468.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×86403766² = 14931221557965512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86403763) 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, 459501 + ... + 459688.

It is an arithmetic number, because the mean of its divisors is an integer number (16545420).

Almost surely, 2^86403766 is an apocalyptic number.

86403766 is a deficient number, since it is larger than the sum of its proper divisors (45959594).

86403766 is a wasteful number, since it uses less digits than its factorization.

86403766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919238.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 86403766 is about 9295.3626072359. The cubic root of 86403766 is about 442.0902029207.

The spelling of 86403766 in words is "eighty-six million, four hundred three thousand, seven hundred sixty-six".