86803918 has 4 divisors (see below), whose sum is σ = 130205880. Its totient is φ = 43401958.

The previous prime is 86803907. The next prime is 86803919. The reversal of 86803918 is 81930868.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86803919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21700978 + ... + 21700981.

It is an arithmetic number, because the mean of its divisors is an integer number (32551470).

Almost surely, 2^86803918 is an apocalyptic number.

86803918 is a deficient number, since it is larger than the sum of its proper divisors (43401962).

86803918 is a wasteful number, since it uses less digits than its factorization.

86803918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43401961.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 86803918 is about 9316.8620253817. The cubic root of 86803918 is about 442.7716195487.

The spelling of 86803918 in words is "eighty-six million, eight hundred three thousand, nine hundred eighteen".