28418707618 has 16 divisors (see below), whose sum is σ = 48725150400. Its totient is φ = 12177604656.

The previous prime is 28418707589. The next prime is 28418707621. The reversal of 28418707618 is 81670781482.

28418707618 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55393 + ... + 244756.

It is an arithmetic number, because the mean of its divisors is an integer number (3045321900).

Almost surely, 2^28418707618 is an apocalyptic number.

28418707618 is a deficient number, since it is larger than the sum of its proper divisors (20306442782).

28418707618 is a wasteful number, since it uses less digits than its factorization.

28418707618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306921.

The product of its (nonzero) digits is 1204224, while the sum is 52.

The spelling of 28418707618 in words is "twenty-eight billion, four hundred eighteen million, seven hundred seven thousand, six hundred eighteen".