28708352651 has 32 divisors (see below), whose sum is σ = 34286822400. Its totient is φ = 23751636480.

The previous prime is 28708352639. The next prime is 28708352677. The reversal of 28708352651 is 15625380782.

It is not a de Polignac number, because 28708352651 - 2⁶ = 28708352587 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28708352596 and 28708352605.

It is not an unprimeable number, because it can be changed into a prime (28708352951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 587411 + ... + 634403.

It is an arithmetic number, because the mean of its divisors is an integer number (1071463200).

Almost surely, 2^28708352651 is an apocalyptic number.

28708352651 is a deficient number, since it is larger than the sum of its proper divisors (5578469749).

28708352651 is a wasteful number, since it uses less digits than its factorization.

28708352651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47139.

The product of its (nonzero) digits is 806400, while the sum is 47.

The spelling of 28708352651 in words is "twenty-eight billion, seven hundred eight million, three hundred fifty-two thousand, six hundred fifty-one".