28102348464577 has 8 divisors (see below), whose sum is σ = 28105377535400. Its totient is φ = 28099319592960.

The previous prime is 28102348464539. The next prime is 28102348464613. The reversal of 28102348464577 is 77546484320182.

It can be written as a sum of positive squares in 4 ways, for example, as 93528241 + 28102254936336 = 9671^2 + 5301156^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28102348464577 - 2¹⁵ = 28102348431809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28102348464077) 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, 550342627 + ... + 550393687.

It is an arithmetic number, because the mean of its divisors is an integer number (3513172191925).

Almost surely, 2^{28102348464577} is an apocalyptic number.

It is an amenable number.

28102348464577 is a deficient number, since it is larger than the sum of its proper divisors (3029070823).

28102348464577 is a wasteful number, since it uses less digits than its factorization.

28102348464577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99603.

The product of its (nonzero) digits is 72253440, while the sum is 61.

The spelling of 28102348464577 in words is "twenty-eight trillion, one hundred two billion, three hundred forty-eight million, four hundred sixty-four thousand, five hundred seventy-seven".