28458077004 has 144 divisors (see below), whose sum is σ = 88008001536. Its totient is φ = 7868534400.

The previous prime is 28458076979. The next prime is 28458077023. The reversal of 28458077004 is 40077085482.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 143464 + ... + 278384.

Almost surely, 2^28458077004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28458077004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44004000768).

28458077004 is an abundant number, since it is smaller than the sum of its proper divisors (59549924532).

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

28458077004 is a wasteful number, since it uses less digits than its factorization.

28458077004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134978 (or 134964 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 45.

The spelling of 28458077004 in words is "twenty-eight billion, four hundred fifty-eight million, seventy-seven thousand, four".