28955431514 has 8 divisors (see below), whose sum is σ = 43507140768. Its totient is φ = 14453051260.

The previous prime is 28955431511. The next prime is 28955431529. The reversal of 28955431514 is 41513455982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (28955431511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12330782 + ... + 12333129.

It is an arithmetic number, because the mean of its divisors is an integer number (5438392596).

Almost surely, 2^28955431514 is an apocalyptic number.

28955431514 is a deficient number, since it is larger than the sum of its proper divisors (14551709254).

28955431514 is a wasteful number, since it uses less digits than its factorization.

28955431514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24664500.

The product of its digits is 864000, while the sum is 47.

The spelling of 28955431514 in words is "twenty-eight billion, nine hundred fifty-five million, four hundred thirty-one thousand, five hundred fourteen".