82436477 has 2 divisors, whose sum is σ = 82436478. Its totient is φ = 82436476.

The previous prime is 82436447. The next prime is 82436483. The reversal of 82436477 is 77463428.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81342361 + 1094116 = 9019^2 + 1046^2 .

It is a cyclic number.

It is not a de Polignac number, because 82436477 - 2⁶ = 82436413 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82436447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41218238 + 41218239.

It is an arithmetic number, because the mean of its divisors is an integer number (41218239).

Almost surely, 2^82436477 is an apocalyptic number.

It is an amenable number.

82436477 is a deficient number, since it is larger than the sum of its proper divisors (1).

82436477 is an equidigital number, since it uses as much as digits as its factorization.

82436477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 225792, while the sum is 41.

The square root of 82436477 is about 9079.4535628528. The cubic root of 82436477 is about 435.2176248455.

The spelling of 82436477 in words is "eighty-two million, four hundred thirty-six thousand, four hundred seventy-seven".