28351406567 has 8 divisors (see below), whose sum is σ = 32556639360. Its totient is φ = 24417479160.

The previous prime is 28351406557. The next prime is 28351406623. The reversal of 28351406567 is 76560415382.

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 28351406567 - 2²² = 28347212263 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 (28351406537) by changing a digit.

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, 67826123 + ... + 67826540.

It is an arithmetic number, because the mean of its divisors is an integer number (4069579920).

Almost surely, 2^28351406567 is an apocalyptic number.

28351406567 is a deficient number, since it is larger than the sum of its proper divisors (4205232793).

28351406567 is a wasteful number, since it uses less digits than its factorization.

28351406567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135652693.

The product of its (nonzero) digits is 1209600, while the sum is 47.

The spelling of 28351406567 in words is "twenty-eight billion, three hundred fifty-one million, four hundred six thousand, five hundred sixty-seven".