83177551230973 has 2 divisors, whose sum is σ = 83177551230974. Its totient is φ = 83177551230972.

The previous prime is 83177551230937. The next prime is 83177551231121. The reversal of 83177551230973 is 37903215577138.

Together with previous prime (83177551230937) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60166131162489 + 23011420068484 = 7756683^2 + 4797022^2 .

It is a cyclic number.

It is not a de Polignac number, because 83177551230973 - 2²⁹ = 83177014360061 is a prime.

It is a super-2 number, since 2×83177551230973² (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 (83177551230913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41588775615486 + 41588775615487.

It is an arithmetic number, because the mean of its divisors is an integer number (41588775615487).

Almost surely, 2^{83177551230973} is an apocalyptic number.

It is an amenable number.

83177551230973 is a deficient number, since it is larger than the sum of its proper divisors (1).

83177551230973 is an equidigital number, since it uses as much as digits as its factorization.

83177551230973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33339600, while the sum is 61.

The spelling of 83177551230973 in words is "eighty-three trillion, one hundred seventy-seven billion, five hundred fifty-one million, two hundred thirty thousand, nine hundred seventy-three".