83776541 has 2 divisors, whose sum is σ = 83776542. Its totient is φ = 83776540.

The previous prime is 83776523. The next prime is 83776573. The reversal of 83776541 is 14567738.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73188025 + 10588516 = 8555^2 + 3254^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83776541 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 (83776841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41888270 + 41888271.

It is an arithmetic number, because the mean of its divisors is an integer number (41888271).

Almost surely, 2^83776541 is an apocalyptic number.

It is an amenable number.

83776541 is a deficient number, since it is larger than the sum of its proper divisors (1).

83776541 is an equidigital number, since it uses as much as digits as its factorization.

83776541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 41.

The square root of 83776541 is about 9152.9525837295. The cubic root of 83776541 is about 437.5632187284.

The spelling of 83776541 in words is "eighty-three million, seven hundred seventy-six thousand, five hundred forty-one".