28347544574382 has 32 divisors (see below), whose sum is σ = 61879314706560. Its totient is φ = 8585980780320.

The previous prime is 28347544574369. The next prime is 28347544574413.

28347544574382 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104469532 + ... + 104740527.

It is an arithmetic number, because the mean of its divisors is an integer number (1933728584580).

Almost surely, 2^{28347544574382} is an apocalyptic number.

28347544574382 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28347544574382 is an abundant number, since it is smaller than the sum of its proper divisors (33531770132178).

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

28347544574382 is a wasteful number, since it uses less digits than its factorization.

28347544574382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209212128.

The product of its digits is 722534400, while the sum is 66.

The spelling of 28347544574382 in words is "twenty-eight trillion, three hundred forty-seven billion, five hundred forty-four million, five hundred seventy-four thousand, three hundred eighty-two".