28774657484 has 6 divisors (see below), whose sum is σ = 50355650604. Its totient is φ = 14387328740.

The previous prime is 28774657463. The next prime is 28774657489. The reversal of 28774657484 is 48475647782.

It is not an unprimeable number, because it can be changed into a prime (28774657489) 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 as a sum of consecutive naturals, namely, 3596832182 + ... + 3596832189.

It is an arithmetic number, because the mean of its divisors is an integer number (8392608434).

Almost surely, 2^28774657484 is an apocalyptic number.

It is an amenable number.

28774657484 is a deficient number, since it is larger than the sum of its proper divisors (21580993120).

28774657484 is a wasteful number, since it uses less digits than its factorization.

28774657484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7193664375 (or 7193664373 counting only the distinct ones).

The product of its digits is 84295680, while the sum is 62.

The spelling of 28774657484 in words is "twenty-eight billion, seven hundred seventy-four million, six hundred fifty-seven thousand, four hundred eighty-four".