28407964067 has 8 divisors (see below), whose sum is σ = 32467658496. Its totient is φ = 24348623112.

The previous prime is 28407964031. The next prime is 28407964099. The reversal of 28407964067 is 76046970482.

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 28407964067 - 2¹⁰ = 28407963043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28407964367) 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 7 ways as a sum of consecutive naturals, for example, 115088 + ... + 264690.

It is an arithmetic number, because the mean of its divisors is an integer number (4058457312).

Almost surely, 2^28407964067 is an apocalyptic number.

28407964067 is a deficient number, since it is larger than the sum of its proper divisors (4059694429).

28407964067 is a wasteful number, since it uses less digits than its factorization.

28407964067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176737.

The product of its (nonzero) digits is 4064256, while the sum is 53.

The spelling of 28407964067 in words is "twenty-eight billion, four hundred seven million, nine hundred sixty-four thousand, sixty-seven".