28365684502 has 8 divisors (see below), whose sum is σ = 42563428056. Its totient is φ = 14177875152.

The previous prime is 28365684427. The next prime is 28365684521. The reversal of 28365684502 is 20548656382.

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

It is a super-2 number, since 2×28365684502² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2476408 + ... + 2487835.

It is an arithmetic number, because the mean of its divisors is an integer number (5320428507).

Almost surely, 2^28365684502 is an apocalyptic number.

28365684502 is a deficient number, since it is larger than the sum of its proper divisors (14197743554).

28365684502 is a wasteful number, since it uses less digits than its factorization.

28365684502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4967102.

The product of its (nonzero) digits is 2764800, while the sum is 49.

The spelling of 28365684502 in words is "twenty-eight billion, three hundred sixty-five million, six hundred eighty-four thousand, five hundred two".