28058007750 has 64 divisors (see below), whose sum is σ = 73718760960. Its totient is φ = 7088335200.

The previous prime is 28058007739. The next prime is 28058007781. The reversal of 28058007750 is 5770085082.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 970242 + ... + 998741.

It is an arithmetic number, because the mean of its divisors is an integer number (1151855640).

Almost surely, 2^28058007750 is an apocalyptic number.

28058007750 is an abundant number, since it is smaller than the sum of its proper divisors (45660753210).

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

28058007750 is a wasteful number, since it uses less digits than its factorization.

28058007750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1969022 (or 1969012 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 42.

The spelling of 28058007750 in words is "twenty-eight billion, fifty-eight million, seven thousand, seven hundred fifty".