28081162958 has 8 divisors (see below), whose sum is σ = 42222274920. Its totient is φ = 14007071320.

The previous prime is 28081162957. The next prime is 28081162997. The reversal of 28081162958 is 85926118082.

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 (28081162957) 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, 16754033 + ... + 16755708.

It is an arithmetic number, because the mean of its divisors is an integer number (5277784365).

Almost surely, 2^28081162958 is an apocalyptic number.

28081162958 is a deficient number, since it is larger than the sum of its proper divisors (14141111962).

28081162958 is a wasteful number, since it uses less digits than its factorization.

28081162958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33510162.

The product of its (nonzero) digits is 552960, while the sum is 50.

The spelling of 28081162958 in words is "twenty-eight billion, eighty-one million, one hundred sixty-two thousand, nine hundred fifty-eight".