28713005497 has 8 divisors (see below), whose sum is σ = 31461269472. Its totient is φ = 25987740000.

The previous prime is 28713005467. The next prime is 28713005501. The reversal of 28713005497 is 79450031782.

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 28713005497 - 2⁷ = 28713005369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28713005467) 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, 5747004 + ... + 5751997.

It is an arithmetic number, because the mean of its divisors is an integer number (3932658684).

Almost surely, 2^28713005497 is an apocalyptic number.

It is an amenable number.

28713005497 is a deficient number, since it is larger than the sum of its proper divisors (2748263975).

28713005497 is a wasteful number, since it uses less digits than its factorization.

28713005497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11499239.

The product of its (nonzero) digits is 423360, while the sum is 46.

The spelling of 28713005497 in words is "twenty-eight billion, seven hundred thirteen million, five thousand, four hundred ninety-seven".