28662751935454 has 32 divisors (see below), whose sum is σ = 52916228467200. Its totient is φ = 11339029497312.

The previous prime is 28662751935443. The next prime is 28662751935457. The reversal of 28662751935454 is 45453915726682.

It is a happy number.

It is a super-2 number, since 2×28662751935454² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28662751935454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28662751935457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29257447 + ... + 30221245.

It is an arithmetic number, because the mean of its divisors is an integer number (1653632139600).

Almost surely, 2^{28662751935454} is an apocalyptic number.

28662751935454 is a deficient number, since it is larger than the sum of its proper divisors (24253476531746).

28662751935454 is a wasteful number, since it uses less digits than its factorization.

28662751935454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127224.

The product of its digits is 435456000, while the sum is 67.

The spelling of 28662751935454 in words is "twenty-eight trillion, six hundred sixty-two billion, seven hundred fifty-one million, nine hundred thirty-five thousand, four hundred fifty-four".