28453866785031 has 8 divisors (see below), whose sum is σ = 37938513744000. Its totient is φ = 18969232174712.

The previous prime is 28453866785009. The next prime is 28453866785063. The reversal of 28453866785031 is 13058766835482.

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 28453866785031 - 2¹¹ = 28453866782983 is a prime.

It is a super-2 number, since 2×28453866785031² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28453866785431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6967720 + ... + 10269218.

It is an arithmetic number, because the mean of its divisors is an integer number (4742314218000).

Almost surely, 2^{28453866785031} is an apocalyptic number.

28453866785031 is a deficient number, since it is larger than the sum of its proper divisors (9484646958969).

28453866785031 is a wasteful number, since it uses less digits than its factorization.

28453866785031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6174325.

The product of its (nonzero) digits is 232243200, while the sum is 66.

The spelling of 28453866785031 in words is "twenty-eight trillion, four hundred fifty-three billion, eight hundred sixty-six million, seven hundred eighty-five thousand, thirty-one".