83547967 has 2 divisors, whose sum is σ = 83547968. Its totient is φ = 83547966.

The previous prime is 83547941. The next prime is 83547991. The reversal of 83547967 is 76974538.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83547967 - 2¹⁵ = 83515199 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83547967.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83547067) 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, 41773983 + 41773984.

It is an arithmetic number, because the mean of its divisors is an integer number (41773984).

Almost surely, 2^83547967 is an apocalyptic number.

83547967 is a deficient number, since it is larger than the sum of its proper divisors (1).

83547967 is an equidigital number, since it uses as much as digits as its factorization.

83547967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1270080, while the sum is 49.

The square root of 83547967 is about 9140.4577018878. The cubic root of 83547967 is about 437.1649104345.

The spelling of 83547967 in words is "eighty-three million, five hundred forty-seven thousand, nine hundred sixty-seven".