82633697477 has 2 divisors, whose sum is σ = 82633697478. Its totient is φ = 82633697476.

The previous prime is 82633697453. The next prime is 82633697483. The reversal of 82633697477 is 77479633628.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64353035041 + 18280662436 = 253679^2 + 135206^2 .

It is a cyclic number.

It is not a de Polignac number, because 82633697477 - 2⁶ = 82633697413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82633697407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41316848738 + 41316848739.

It is an arithmetic number, because the mean of its divisors is an integer number (41316848739).

Almost surely, 2^82633697477 is an apocalyptic number.

It is an amenable number.

82633697477 is a deficient number, since it is larger than the sum of its proper divisors (1).

82633697477 is an equidigital number, since it uses as much as digits as its factorization.

82633697477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64012032, while the sum is 62.

The spelling of 82633697477 in words is "eighty-two billion, six hundred thirty-three million, six hundred ninety-seven thousand, four hundred seventy-seven".