83764823 has 2 divisors, whose sum is σ = 83764824. Its totient is φ = 83764822.

The previous prime is 83764819. The next prime is 83764861. The reversal of 83764823 is 32846738.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83764823 - 2² = 83764819 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83764223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41882411 + 41882412.

It is an arithmetic number, because the mean of its divisors is an integer number (41882412).

Almost surely, 2^83764823 is an apocalyptic number.

83764823 is a deficient number, since it is larger than the sum of its proper divisors (1).

83764823 is an equidigital number, since it uses as much as digits as its factorization.

83764823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 41.

The square root of 83764823 is about 9152.3124400339. The cubic root of 83764823 is about 437.5428168163.

The spelling of 83764823 in words is "eighty-three million, seven hundred sixty-four thousand, eight hundred twenty-three".