83472391 has 2 divisors, whose sum is σ = 83472392. Its totient is φ = 83472390.

The previous prime is 83472383. The next prime is 83472413. The reversal of 83472391 is 19327438.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83472391 - 2³ = 83472383 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83472391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83472371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41736195 + 41736196.

It is an arithmetic number, because the mean of its divisors is an integer number (41736196).

Almost surely, 2^83472391 is an apocalyptic number.

83472391 is a deficient number, since it is larger than the sum of its proper divisors (1).

83472391 is an equidigital number, since it uses as much as digits as its factorization.

83472391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 37.

The square root of 83472391 is about 9136.3226190848. The cubic root of 83472391 is about 437.0330534758.

The spelling of 83472391 in words is "eighty-three million, four hundred seventy-two thousand, three hundred ninety-one".