28299165697 has 8 divisors (see below), whose sum is σ = 30897971712. Its totient is φ = 25704718800.

The previous prime is 28299165683. The next prime is 28299165701. The reversal of 28299165697 is 79656199282.

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 28299165697 - 2²⁷ = 28164947969 is a prime.

It is a super-2 number, since 2×28299165697² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28299165647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1076193 + ... + 1102174.

It is an arithmetic number, because the mean of its divisors is an integer number (3862246464).

Almost surely, 2^28299165697 is an apocalyptic number.

It is an amenable number.

28299165697 is a deficient number, since it is larger than the sum of its proper divisors (2598806015).

28299165697 is a wasteful number, since it uses less digits than its factorization.

28299165697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2179559.

The product of its digits is 29393280, while the sum is 64.

The spelling of 28299165697 in words is "twenty-eight billion, two hundred ninety-nine million, one hundred sixty-five thousand, six hundred ninety-seven".