84938837 has 2 divisors, whose sum is σ = 84938838. Its totient is φ = 84938836.

The previous prime is 84938831. The next prime is 84938849. The reversal of 84938837 is 73883948.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79584241 + 5354596 = 8921^2 + 2314^2 .

It is a cyclic number.

It is not a de Polignac number, because 84938837 - 2⁶ = 84938773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84938831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42469418 + 42469419.

It is an arithmetic number, because the mean of its divisors is an integer number (42469419).

Almost surely, 2^84938837 is an apocalyptic number.

It is an amenable number.

84938837 is a deficient number, since it is larger than the sum of its proper divisors (1).

84938837 is an equidigital number, since it uses as much as digits as its factorization.

84938837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 50.

The square root of 84938837 is about 9216.2268309759. The cubic root of 84938837 is about 439.5774817956.

The spelling of 84938837 in words is "eighty-four million, nine hundred thirty-eight thousand, eight hundred thirty-seven".