28723097615 has 8 divisors (see below), whose sum is σ = 34471731600. Its totient is φ = 22975801792.

The previous prime is 28723097593. The next prime is 28723097629. The reversal of 28723097615 is 51679032782.

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 28723097615 - 2²⁴ = 28706320399 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286694 + ... + 373683.

It is an arithmetic number, because the mean of its divisors is an integer number (4308966450).

Almost surely, 2^28723097615 is an apocalyptic number.

28723097615 is a deficient number, since it is larger than the sum of its proper divisors (5748633985).

28723097615 is an equidigital number, since it uses as much as digits as its factorization.

28723097615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669081.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 28723097615 in words is "twenty-eight billion, seven hundred twenty-three million, ninety-seven thousand, six hundred fifteen".