28058335662 has 128 divisors (see below), whose sum is σ = 68170088448. Its totient is φ = 7529760000.

The previous prime is 28058335621. The next prime is 28058335663. The reversal of 28058335662 is 26653385082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28058335663) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9348162 + ... + 9351162.

It is an arithmetic number, because the mean of its divisors is an integer number (532578816).

Almost surely, 2^28058335662 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28058335662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34085044224).

28058335662 is an abundant number, since it is smaller than the sum of its proper divisors (40111752786).

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

28058335662 is a wasteful number, since it uses less digits than its factorization.

28058335662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3254.

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 28058335662 in words is "twenty-eight billion, fifty-eight million, three hundred thirty-five thousand, six hundred sixty-two".