28464697698 has 16 divisors (see below), whose sum is σ = 58468028160. Its totient is φ = 9231793776.

The previous prime is 28464697697. The next prime is 28464697747. The reversal of 28464697698 is 89679646482.

It is not an unprimeable number, because it can be changed into a prime (28464697697) 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 in 7 ways as a sum of consecutive naturals, for example, 64109458 + ... + 64109901.

It is an arithmetic number, because the mean of its divisors is an integer number (3654251760).

Almost surely, 2^28464697698 is an apocalyptic number.

28464697698 is an abundant number, since it is smaller than the sum of its proper divisors (30003330462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28464697698 is a wasteful number, since it uses less digits than its factorization.

28464697698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128219401.

The product of its digits is 250822656, while the sum is 69.

The spelling of 28464697698 in words is "twenty-eight billion, four hundred sixty-four million, six hundred ninety-seven thousand, six hundred ninety-eight".