83893951 has 2 divisors, whose sum is σ = 83893952. Its totient is φ = 83893950.

The previous prime is 83893891. The next prime is 83893961. The reversal of 83893951 is 15939838.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83893951 - 2¹³ = 83885759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83893961) 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, 41946975 + 41946976.

It is an arithmetic number, because the mean of its divisors is an integer number (41946976).

Almost surely, 2^83893951 is an apocalyptic number.

83893951 is a deficient number, since it is larger than the sum of its proper divisors (1).

83893951 is an equidigital number, since it uses as much as digits as its factorization.

83893951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 46.

The square root of 83893951 is about 9159.3641154831. The cubic root of 83893951 is about 437.7675333483.

The spelling of 83893951 in words is "eighty-three million, eight hundred ninety-three thousand, nine hundred fifty-one".