82633574477 has 2 divisors, whose sum is σ = 82633574478. Its totient is φ = 82633574476.

The previous prime is 82633574459. The next prime is 82633574489. The reversal of 82633574477 is 77447533628.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79102125001 + 3531449476 = 281251^2 + 59426^2 .

It is a cyclic number.

It is not a de Polignac number, because 82633574477 - 2¹² = 82633570381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82633574437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41316787238 + 41316787239.

It is an arithmetic number, because the mean of its divisors is an integer number (41316787239).

Almost surely, 2^82633574477 is an apocalyptic number.

It is an amenable number.

82633574477 is a deficient number, since it is larger than the sum of its proper divisors (1).

82633574477 is an equidigital number, since it uses as much as digits as its factorization.

82633574477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23708160, while the sum is 56.

The spelling of 82633574477 in words is "eighty-two billion, six hundred thirty-three million, five hundred seventy-four thousand, four hundred seventy-seven".