28528416467 has 4 divisors (see below), whose sum is σ = 28677780096. Its totient is φ = 28379052840.

The previous prime is 28528416461. The next prime is 28528416481. The reversal of 28528416467 is 76461482582.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28528416467 - 2¹² = 28528412371 is a prime.

It is a super-2 number, since 2×28528416467² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28528416461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74681528 + ... + 74681909.

It is an arithmetic number, because the mean of its divisors is an integer number (7169445024).

Almost surely, 2^28528416467 is an apocalyptic number.

28528416467 is a deficient number, since it is larger than the sum of its proper divisors (149363629).

28528416467 is a wasteful number, since it uses less digits than its factorization.

28528416467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149363628.

The product of its digits is 5160960, while the sum is 53.

The spelling of 28528416467 in words is "twenty-eight billion, five hundred twenty-eight million, four hundred sixteen thousand, four hundred sixty-seven".