28158010485 has 64 divisors (see below), whose sum is σ = 50343552000. Its totient is φ = 13323778560.

The previous prime is 28158010481. The next prime is 28158010493. The reversal of 28158010485 is 58401085182.

It is not a de Polignac number, because 28158010485 - 2² = 28158010481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28158010481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1342761 + ... + 1363569.

It is an arithmetic number, because the mean of its divisors is an integer number (786618000).

Almost surely, 2^28158010485 is an apocalyptic number.

It is an amenable number.

28158010485 is a deficient number, since it is larger than the sum of its proper divisors (22185541515).

28158010485 is a wasteful number, since it uses less digits than its factorization.

28158010485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21026.

The product of its (nonzero) digits is 102400, while the sum is 42.

The spelling of 28158010485 in words is "twenty-eight billion, one hundred fifty-eight million, ten thousand, four hundred eighty-five".