83764693 has 2 divisors, whose sum is σ = 83764694. Its totient is φ = 83764692.

The previous prime is 83764691. The next prime is 83764721. The reversal of 83764693 is 39646738.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50794129 + 32970564 = 7127^2 + 5742^2 .

It is a cyclic number.

It is not a de Polignac number, because 83764693 - 2¹ = 83764691 is a prime.

Together with 83764691, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83764691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41882346 + 41882347.

It is an arithmetic number, because the mean of its divisors is an integer number (41882347).

Almost surely, 2^83764693 is an apocalyptic number.

It is an amenable number.

83764693 is a deficient number, since it is larger than the sum of its proper divisors (1).

83764693 is an equidigital number, since it uses as much as digits as its factorization.

83764693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 46.

The square root of 83764693 is about 9152.3053380009. The cubic root of 83764693 is about 437.5425904659.

The spelling of 83764693 in words is "eighty-three million, seven hundred sixty-four thousand, six hundred ninety-three".