28797492523 has 2 divisors, whose sum is σ = 28797492524. Its totient is φ = 28797492522.

The previous prime is 28797492517. The next prime is 28797492541. The reversal of 28797492523 is 32529479782.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28797492523 - 2⁹ = 28797492011 is a prime.

It is a super-2 number, since 2×28797492523² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (28797492593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14398746261 + 14398746262.

It is an arithmetic number, because the mean of its divisors is an integer number (14398746262).

Almost surely, 2^28797492523 is an apocalyptic number.

28797492523 is a deficient number, since it is larger than the sum of its proper divisors (1).

28797492523 is an equidigital number, since it uses as much as digits as its factorization.

28797492523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15240960, while the sum is 58.

The spelling of 28797492523 in words is "twenty-eight billion, seven hundred ninety-seven million, four hundred ninety-two thousand, five hundred twenty-three".