82317214830621 has 8 divisors (see below), whose sum is σ = 110016990210784. Its totient is φ = 54747791335440.

The previous prime is 82317214830601. The next prime is 82317214830661. The reversal of 82317214830621 is 12603841271328.

It is a happy number.

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

It is not a de Polignac number, because 82317214830621 - 2¹³ = 82317214822429 is a prime.

It is a super-2 number, since 2×82317214830621² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82317214830601) 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, 32587969771 + ... + 32587972296.

It is an arithmetic number, because the mean of its divisors is an integer number (13752123776348).

Almost surely, 2^{82317214830621} is an apocalyptic number.

It is an amenable number.

82317214830621 is a deficient number, since it is larger than the sum of its proper divisors (27699775380163).

82317214830621 is a wasteful number, since it uses less digits than its factorization.

82317214830621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65175942491.

The product of its (nonzero) digits is 774144, while the sum is 48.

The spelling of 82317214830621 in words is "eighty-two trillion, three hundred seventeen billion, two hundred fourteen million, eight hundred thirty thousand, six hundred twenty-one".