28364701618 has 16 divisors (see below), whose sum is σ = 46561397184. Its totient is φ = 12852370960.

The previous prime is 28364701613. The next prime is 28364701639. The reversal of 28364701618 is 81610746382.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28364701613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2026630 + ... + 2040577.

It is an arithmetic number, because the mean of its divisors is an integer number (2910087324).

Almost surely, 2^28364701618 is an apocalyptic number.

28364701618 is a deficient number, since it is larger than the sum of its proper divisors (18196695566).

28364701618 is a wasteful number, since it uses less digits than its factorization.

28364701618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4067537.

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 28364701618 in words is "twenty-eight billion, three hundred sixty-four million, seven hundred one thousand, six hundred eighteen".