82323818981501 has 4 divisors (see below), whose sum is σ = 82325179563900. Its totient is φ = 82322458399104.

The previous prime is 82323818981479. The next prime is 82323818981519. The reversal of 82323818981501 is 10518981832328.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 53496863364025 + 28826955617476 = 7314155^2 + 5369074^2 .

It is a cyclic number.

It is not a de Polignac number, because 82323818981501 - 2¹⁴ = 82323818965117 is a prime.

It is a super-2 number, since 2×82323818981501² (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 (82323818981531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 680200436 + ... + 680321453.

It is an arithmetic number, because the mean of its divisors is an integer number (20581294890975).

Almost surely, 2^{82323818981501} is an apocalyptic number.

It is an amenable number.

82323818981501 is a deficient number, since it is larger than the sum of its proper divisors (1360582399).

82323818981501 is a wasteful number, since it uses less digits than its factorization.

82323818981501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360582398.

The product of its (nonzero) digits is 6635520, while the sum is 59.

The spelling of 82323818981501 in words is "eighty-two trillion, three hundred twenty-three billion, eight hundred eighteen million, nine hundred eighty-one thousand, five hundred one".