28992695385 has 32 divisors (see below), whose sum is σ = 46502454528. Its totient is φ = 15424784640.

The previous prime is 28992695359. The next prime is 28992695387. The reversal of 28992695385 is 58359629982.

It is not a de Polignac number, because 28992695385 - 2⁵ = 28992695353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28992695387) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17884875 + ... + 17886495.

It is an arithmetic number, because the mean of its divisors is an integer number (1453201704).

Almost surely, 2^28992695385 is an apocalyptic number.

It is an amenable number.

28992695385 is a deficient number, since it is larger than the sum of its proper divisors (17509759143).

28992695385 is a wasteful number, since it uses less digits than its factorization.

28992695385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3825.

The product of its digits is 83980800, while the sum is 66.

The spelling of 28992695385 in words is "twenty-eight billion, nine hundred ninety-two million, six hundred ninety-five thousand, three hundred eighty-five".