28588698139 has 8 divisors (see below), whose sum is σ = 29513105408. Its totient is φ = 27664427880.

The previous prime is 28588698119. The next prime is 28588698143. The reversal of 28588698139 is 93189688582.

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 28588698139 - 2⁵ = 28588698107 is a prime.

It is a super-2 number, since 2×28588698139² (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 (28588698119) 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, 546214 + ... + 596260.

It is an arithmetic number, because the mean of its divisors is an integer number (3689138176).

Almost surely, 2^28588698139 is an apocalyptic number.

28588698139 is a deficient number, since it is larger than the sum of its proper divisors (924407269).

28588698139 is a wasteful number, since it uses less digits than its factorization.

28588698139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68505.

The product of its digits is 59719680, while the sum is 67.

The spelling of 28588698139 in words is "twenty-eight billion, five hundred eighty-eight million, six hundred ninety-eight thousand, one hundred thirty-nine".