82374767545997 has 2 divisors, whose sum is σ = 82374767545998. Its totient is φ = 82374767545996.

The previous prime is 82374767545877. The next prime is 82374767546017. The reversal of 82374767545997 is 79954576747328.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67128952287076 + 15245815258921 = 8193226^2 + 3904589^2 .

It is a cyclic number.

It is not a de Polignac number, because 82374767545997 - 2²⁰ = 82374766497421 is a prime.

It is a super-2 number, since 2×82374767545997² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82374767545397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41187383772998 + 41187383772999.

It is an arithmetic number, because the mean of its divisors is an integer number (41187383772999).

Almost surely, 2^{82374767545997} is an apocalyptic number.

It is an amenable number.

82374767545997 is a deficient number, since it is larger than the sum of its proper divisors (1).

82374767545997 is an equidigital number, since it uses as much as digits as its factorization.

82374767545997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22404211200, while the sum is 83.

The spelling of 82374767545997 in words is "eighty-two trillion, three hundred seventy-four billion, seven hundred sixty-seven million, five hundred forty-five thousand, nine hundred ninety-seven".