82328306001781 has 8 divisors (see below), whose sum is σ = 94089709475840. Its totient is φ = 70566956753328.

The previous prime is 82328306001719. The next prime is 82328306001793. The reversal of 82328306001781 is 18710060382328.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82328306001781 - 2²⁵ = 82328272447349 is a prime.

It is a super-2 number, since 2×82328306001781² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82328306002781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10249206 + ... + 16422631.

It is an arithmetic number, because the mean of its divisors is an integer number (11761213684480).

Almost surely, 2^{82328306001781} is an apocalyptic number.

It is an amenable number.

82328306001781 is a deficient number, since it is larger than the sum of its proper divisors (11761403474059).

82328306001781 is a wasteful number, since it uses less digits than its factorization.

82328306001781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27112803.

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 82328306001781 in words is "eighty-two trillion, three hundred twenty-eight billion, three hundred six million, one thousand, seven hundred eighty-one".