28489598103 has 8 divisors (see below), whose sum is σ = 37990287216. Its totient is φ = 18990987200.

The previous prime is 28489598101. The next prime is 28489598107. The reversal of 28489598103 is 30189598482.

It is a happy number.

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 28489598103 - 2¹ = 28489598101 is a prime.

It is a super-2 number, since 2×28489598103² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28489598101) 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, 487278 + ... + 542603.

It is an arithmetic number, because the mean of its divisors is an integer number (4748785902).

Almost surely, 2^28489598103 is an apocalyptic number.

28489598103 is a deficient number, since it is larger than the sum of its proper divisors (9500689113).

28489598103 is a wasteful number, since it uses less digits than its factorization.

28489598103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039105.

The product of its (nonzero) digits is 4976640, while the sum is 57.

The spelling of 28489598103 in words is "twenty-eight billion, four hundred eighty-nine million, five hundred ninety-eight thousand, one hundred three".