28466915471 has 16 divisors (see below), whose sum is σ = 31325433600. Its totient is φ = 25748731008.

The previous prime is 28466915459. The next prime is 28466915479. The reversal of 28466915471 is 17451966482.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 28466915471 - 2²⁶ = 28399806607 is a prime.

It is a super-3 number, since 3×28466915471³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28466915479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179495 + ... + 298583.

It is an arithmetic number, because the mean of its divisors is an integer number (1957839600).

Almost surely, 2^28466915471 is an apocalyptic number.

28466915471 is a deficient number, since it is larger than the sum of its proper divisors (2858518129).

28466915471 is a wasteful number, since it uses less digits than its factorization.

28466915471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119678.

The product of its digits is 2903040, while the sum is 53.

The spelling of 28466915471 in words is "twenty-eight billion, four hundred sixty-six million, nine hundred fifteen thousand, four hundred seventy-one".