28751606378 has 16 divisors (see below), whose sum is σ = 47154302496. Its totient is φ = 13039406640.

The previous prime is 28751606357. The next prime is 28751606399. The reversal of 28751606378 is 87360615782.

It is an interprime number because it is at equal distance from previous prime (28751606357) and next prime (28751606399).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1465301 + ... + 1484792.

It is an arithmetic number, because the mean of its divisors is an integer number (2947143906).

Almost surely, 2^28751606378 is an apocalyptic number.

28751606378 is a deficient number, since it is larger than the sum of its proper divisors (18402696118).

28751606378 is a wasteful number, since it uses less digits than its factorization.

28751606378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2950549.

The product of its (nonzero) digits is 3386880, while the sum is 53.

The spelling of 28751606378 in words is "twenty-eight billion, seven hundred fifty-one million, six hundred six thousand, three hundred seventy-eight".