28604694931607 has 8 divisors (see below), whose sum is σ = 28616976956016. Its totient is φ = 28592415550912.

The previous prime is 28604694931543. The next prime is 28604694931627. The reversal of 28604694931607 is 70613949640682.

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 28604694931607 - 2⁶ = 28604694931543 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 (28604694931627) 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, 21137513 + ... + 22450029.

It is an arithmetic number, because the mean of its divisors is an integer number (3577122119502).

Almost surely, 2^{28604694931607} is an apocalyptic number.

28604694931607 is a deficient number, since it is larger than the sum of its proper divisors (12282024409).

28604694931607 is a wasteful number, since it uses less digits than its factorization.

28604694931607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321857.

The product of its (nonzero) digits is 94058496, while the sum is 65.

The spelling of 28604694931607 in words is "twenty-eight trillion, six hundred four billion, six hundred ninety-four million, nine hundred thirty-one thousand, six hundred seven".