28336988097 has 12 divisors (see below), whose sum is σ = 44652223824. Its totient is φ = 17173932120.

The previous prime is 28336988083. The next prime is 28336988111. The reversal of 28336988097 is 79088963382.

It is an interprime number because it is at equal distance from previous prime (28336988083) and next prime (28336988111).

It is not a de Polignac number, because 28336988097 - 2⁸ = 28336987841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28336988077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143116003 + ... + 143116200.

It is an arithmetic number, because the mean of its divisors is an integer number (3721018652).

Almost surely, 2^28336988097 is an apocalyptic number.

It is an amenable number.

28336988097 is a deficient number, since it is larger than the sum of its proper divisors (16315235727).

28336988097 is a wasteful number, since it uses less digits than its factorization.

28336988097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286232220 (or 286232217 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 63.

The spelling of 28336988097 in words is "twenty-eight billion, three hundred thirty-six million, nine hundred eighty-eight thousand, ninety-seven".