83837749 has 2 divisors, whose sum is σ = 83837750. Its totient is φ = 83837748.

The previous prime is 83837717. The next prime is 83837771. The reversal of 83837749 is 94773838.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64915249 + 18922500 = 8057^2 + 4350^2 .

It is a cyclic number.

It is not a de Polignac number, because 83837749 - 2⁵ = 83837717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83837549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41918874 + 41918875.

It is an arithmetic number, because the mean of its divisors is an integer number (41918875).

Almost surely, 2^83837749 is an apocalyptic number.

It is an amenable number.

83837749 is a deficient number, since it is larger than the sum of its proper divisors (1).

83837749 is an equidigital number, since it uses as much as digits as its factorization.

83837749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1016064, while the sum is 49.

The square root of 83837749 is about 9156.2955937431. The cubic root of 83837749 is about 437.6697555120.

The spelling of 83837749 in words is "eighty-three million, eight hundred thirty-seven thousand, seven hundred forty-nine".