28232675403 has 8 divisors (see below), whose sum is σ = 37647381648. Its totient is φ = 18819876384.

The previous prime is 28232675389. The next prime is 28232675441. The reversal of 28232675403 is 30457623282.

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

It is not a de Polignac number, because 28232675403 - 2⁸ = 28232675147 is a prime.

It is a super-2 number, since 2×28232675403² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28232675203) 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, 441900 + ... + 501737.

It is an arithmetic number, because the mean of its divisors is an integer number (4705922706).

Almost surely, 2^28232675403 is an apocalyptic number.

28232675403 is a deficient number, since it is larger than the sum of its proper divisors (9414706245).

28232675403 is an equidigital number, since it uses as much as digits as its factorization.

28232675403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953613.

The product of its (nonzero) digits is 483840, while the sum is 42.

The spelling of 28232675403 in words is "twenty-eight billion, two hundred thirty-two million, six hundred seventy-five thousand, four hundred three".