28007667659958 has 16 divisors (see below), whose sum is σ = 64017526080000. Its totient is φ = 8002190759976.

The previous prime is 28007667659947. The next prime is 28007667659989. The reversal of 28007667659958 is 85995676670082.

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, 333424614958 + ... + 333424615041.

It is an arithmetic number, because the mean of its divisors is an integer number (4001095380000).

Almost surely, 2^{28007667659958} is an apocalyptic number.

28007667659958 is an abundant number, since it is smaller than the sum of its proper divisors (36009858420042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28007667659958 is a wasteful number, since it uses less digits than its factorization.

28007667659958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666849230011.

The product of its (nonzero) digits is 2743372800, while the sum is 78.

The spelling of 28007667659958 in words is "twenty-eight trillion, seven billion, six hundred sixty-seven million, six hundred fifty-nine thousand, nine hundred fifty-eight".