28924071239 has 8 divisors (see below), whose sum is σ = 33057110688. Its totient is φ = 24791289120.

The previous prime is 28924071233. The next prime is 28924071251. The reversal of 28924071239 is 93217042982.

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 28924071239 - 2⁴ = 28924071223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28924071193 and 28924071202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28924071233) 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, 399449 + ... + 466269.

It is an arithmetic number, because the mean of its divisors is an integer number (4132138836).

Almost surely, 2^28924071239 is an apocalyptic number.

28924071239 is a deficient number, since it is larger than the sum of its proper divisors (4133039449).

28924071239 is an equidigital number, since it uses as much as digits as its factorization.

28924071239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128665.

The product of its (nonzero) digits is 435456, while the sum is 47.

The spelling of 28924071239 in words is "twenty-eight billion, nine hundred twenty-four million, seventy-one thousand, two hundred thirty-nine".