28091616374 has 8 divisors (see below), whose sum is σ = 44616096648. Its totient is φ = 13219584160.

The previous prime is 28091616373. The next prime is 28091616389. The reversal of 28091616374 is 47361619082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28091616373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 413111972 + ... + 413112039.

It is an arithmetic number, because the mean of its divisors is an integer number (5577012081).

Almost surely, 2^28091616374 is an apocalyptic number.

28091616374 is a deficient number, since it is larger than the sum of its proper divisors (16524480274).

28091616374 is a wasteful number, since it uses less digits than its factorization.

28091616374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826224030.

The product of its (nonzero) digits is 435456, while the sum is 47.

The spelling of 28091616374 in words is "twenty-eight billion, ninety-one million, six hundred sixteen thousand, three hundred seventy-four".