83124561077431 has 2 divisors, whose sum is σ = 83124561077432. Its totient is φ = 83124561077430.

The previous prime is 83124561077357. The next prime is 83124561077473. The reversal of 83124561077431 is 13477016542138.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83124561077431 - 2¹⁹ = 83124560553143 is a prime.

It is a super-2 number, since 2×83124561077431² (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 (83124561075431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41562280538715 + 41562280538716.

It is an arithmetic number, because the mean of its divisors is an integer number (41562280538716).

Almost surely, 2^{83124561077431} is an apocalyptic number.

83124561077431 is a deficient number, since it is larger than the sum of its proper divisors (1).

83124561077431 is an equidigital number, since it uses as much as digits as its factorization.

83124561077431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 83124561077431 in words is "eighty-three trillion, one hundred twenty-four billion, five hundred sixty-one million, seventy-seven thousand, four hundred thirty-one".