28446264848 has 10 divisors (see below), whose sum is σ = 55114638174. Its totient is φ = 14223132416.

The previous prime is 28446264809. The next prime is 28446264851. The reversal of 28446264848 is 84846264482.

It can be written as a sum of positive squares in only one way, i.e., 21259972864 + 7186291984 = 145808^2 + 84772^2 .

It is a junction number, because it is equal to n+sod(n) for n = 28446264793 and 28446264802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 888945761 + ... + 888945792.

Almost surely, 2^28446264848 is an apocalyptic number.

It is an amenable number.

28446264848 is a deficient number, since it is larger than the sum of its proper divisors (26668373326).

28446264848 is a wasteful number, since it uses less digits than its factorization.

28446264848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777891561 (or 1777891555 counting only the distinct ones).

The product of its digits is 18874368, while the sum is 56.

The spelling of 28446264848 in words is "twenty-eight billion, four hundred forty-six million, two hundred sixty-four thousand, eight hundred forty-eight".