28663151486 has 16 divisors (see below), whose sum is σ = 44481474000. Its totient is φ = 13836086208.

The previous prime is 28663151449. The next prime is 28663151509. The reversal of 28663151486 is 68415136682.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 950801 + ... + 980483.

It is an arithmetic number, because the mean of its divisors is an integer number (2780092125).

Almost surely, 2^28663151486 is an apocalyptic number.

28663151486 is a deficient number, since it is larger than the sum of its proper divisors (15818322514).

28663151486 is a wasteful number, since it uses less digits than its factorization.

28663151486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46363.

The product of its digits is 1658880, while the sum is 50.

The spelling of 28663151486 in words is "twenty-eight billion, six hundred sixty-three million, one hundred fifty-one thousand, four hundred eighty-six".