86944903 has 4 divisors (see below), whose sum is σ = 87044920. Its totient is φ = 86844888.

The previous prime is 86944861. The next prime is 86944909. The reversal of 86944903 is 30944968.

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 86944903 - 2⁹ = 86944391 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86944903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86944909) 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, 48693 + ... + 50446.

It is an arithmetic number, because the mean of its divisors is an integer number (21761230).

Almost surely, 2^86944903 is an apocalyptic number.

86944903 is a deficient number, since it is larger than the sum of its proper divisors (100017).

86944903 is an equidigital number, since it uses as much as digits as its factorization.

86944903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100016.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 86944903 is about 9324.4250761106. The cubic root of 86944903 is about 443.0112031708.

The spelling of 86944903 in words is "eighty-six million, nine hundred forty-four thousand, nine hundred three".