83726287 has 2 divisors, whose sum is σ = 83726288. Its totient is φ = 83726286.

The previous prime is 83726267. The next prime is 83726303. The reversal of 83726287 is 78262738.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83726287 - 2¹¹ = 83724239 is a prime.

It is a super-2 number, since 2×83726287² = 14020182269612738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83726267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41863143 + 41863144.

It is an arithmetic number, because the mean of its divisors is an integer number (41863144).

Almost surely, 2^83726287 is an apocalyptic number.

83726287 is a deficient number, since it is larger than the sum of its proper divisors (1).

83726287 is an equidigital number, since it uses as much as digits as its factorization.

83726287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 225792, while the sum is 43.

The square root of 83726287 is about 9150.2069375506. The cubic root of 83726287 is about 437.4757093452.

The spelling of 83726287 in words is "eighty-three million, seven hundred twenty-six thousand, two hundred eighty-seven".