28690911303 has 8 divisors (see below), whose sum is σ = 38260396416. Its totient is φ = 19124350200.

The previous prime is 28690911253. The next prime is 28690911331. The reversal of 28690911303 is 30311909682.

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

It is not a de Polignac number, because 28690911303 - 2⁶ = 28690911239 is a prime.

It is a super-2 number, since 2×28690911303² (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 (28690911103) 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, 708003 + ... + 747428.

It is an arithmetic number, because the mean of its divisors is an integer number (4782549552).

Almost surely, 2^28690911303 is an apocalyptic number.

28690911303 is a deficient number, since it is larger than the sum of its proper divisors (9569485113).

28690911303 is a wasteful number, since it uses less digits than its factorization.

28690911303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462005.

The product of its (nonzero) digits is 69984, while the sum is 42.

The spelling of 28690911303 in words is "twenty-eight billion, six hundred ninety million, nine hundred eleven thousand, three hundred three".