28695145955466 has 64 divisors (see below), whose sum is σ = 60380477853696. Its totient is φ = 9073834228800.

The previous prime is 28695145955431. The next prime is 28695145955477. The reversal of 28695145955466 is 66455954159682.

It is a super-2 number, since 2×28695145955466² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7601781 + ... + 10732071.

It is an arithmetic number, because the mean of its divisors is an integer number (943444966464).

Almost surely, 2^{28695145955466} is an apocalyptic number.

28695145955466 is an abundant number, since it is smaller than the sum of its proper divisors (31685331898230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28695145955466 is a wasteful number, since it uses less digits than its factorization.

28695145955466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3130867.

The product of its digits is 2799360000, while the sum is 75.

The spelling of 28695145955466 in words is "twenty-eight trillion, six hundred ninety-five billion, one hundred forty-five million, nine hundred fifty-five thousand, four hundred sixty-six".