28217846087382 has 64 divisors (see below), whose sum is σ = 64563721334784. Its totient is φ = 8054020196640.

The previous prime is 28217846087363. The next prime is 28217846087407. The reversal of 28217846087382 is 28378064871282.

It is a super-2 number, since 2×28217846087382² (a number of 28 digits) contains 22 as substring.

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, 410640007 + ... + 410708717.

It is an arithmetic number, because the mean of its divisors is an integer number (1008808145856).

Almost surely, 2^{28217846087382} is an apocalyptic number.

28217846087382 is an abundant number, since it is smaller than the sum of its proper divisors (36345875247402).

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

28217846087382 is a wasteful number, since it uses less digits than its factorization.

28217846087382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78553.

The product of its (nonzero) digits is 115605504, while the sum is 66.

The spelling of 28217846087382 in words is "twenty-eight trillion, two hundred seventeen billion, eight hundred forty-six million, eighty-seven thousand, three hundred eighty-two".