83889733 has 2 divisors, whose sum is σ = 83889734. Its totient is φ = 83889732.

The previous prime is 83889703. The next prime is 83889739. The reversal of 83889733 is 33798838.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79977249 + 3912484 = 8943^2 + 1978^2 .

It is a cyclic number.

It is not a de Polignac number, because 83889733 - 2¹³ = 83881541 is a prime.

It is a super-2 number, since 2×83889733² = 14074974605622578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83889739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41944866 + 41944867.

It is an arithmetic number, because the mean of its divisors is an integer number (41944867).

Almost surely, 2^83889733 is an apocalyptic number.

It is an amenable number.

83889733 is a deficient number, since it is larger than the sum of its proper divisors (1).

83889733 is an equidigital number, since it uses as much as digits as its factorization.

83889733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 49.

The square root of 83889733 is about 9159.1338564299. The cubic root of 83889733 is about 437.7601965683.

The spelling of 83889733 in words is "eighty-three million, eight hundred eighty-nine thousand, seven hundred thirty-three".