28700653706 has 16 divisors (see below), whose sum is σ = 45099244800. Its totient is φ = 13680099888.

The previous prime is 28700653693. The next prime is 28700653717. The reversal of 28700653706 is 60735600782.

It is a super-3 number, since 3×28700653706³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3127310 + ... + 3136473.

It is an arithmetic number, because the mean of its divisors is an integer number (2818702800).

Almost surely, 2^28700653706 is an apocalyptic number.

28700653706 is a deficient number, since it is larger than the sum of its proper divisors (16398591094).

28700653706 is a wasteful number, since it uses less digits than its factorization.

28700653706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6263893.

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 28700653706 in words is "twenty-eight billion, seven hundred million, six hundred fifty-three thousand, seven hundred six".