28064633701 has 32 divisors (see below), whose sum is σ = 31829898240. Its totient is φ = 24574233600.

The previous prime is 28064633687. The next prime is 28064633713. The reversal of 28064633701 is 10733646082.

It is a cyclic number.

It is not a de Polignac number, because 28064633701 - 2⁵ = 28064633669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28064633731) 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, 2757460 + ... + 2767618.

It is an arithmetic number, because the mean of its divisors is an integer number (994684320).

Almost surely, 2^28064633701 is an apocalyptic number.

It is an amenable number.

28064633701 is a deficient number, since it is larger than the sum of its proper divisors (3765264539).

28064633701 is a wasteful number, since it uses less digits than its factorization.

28064633701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10357.

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 28064633701 in words is "twenty-eight billion, sixty-four million, six hundred thirty-three thousand, seven hundred one".