83763887 has 2 divisors, whose sum is σ = 83763888. Its totient is φ = 83763886.

The previous prime is 83763881. The next prime is 83763899. The reversal of 83763887 is 78836738.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83763887 - 2¹⁰ = 83762863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83763881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41881943 + 41881944.

It is an arithmetic number, because the mean of its divisors is an integer number (41881944).

Almost surely, 2^83763887 is an apocalyptic number.

83763887 is a deficient number, since it is larger than the sum of its proper divisors (1).

83763887 is an equidigital number, since it uses as much as digits as its factorization.

83763887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1354752, while the sum is 50.

The square root of 83763887 is about 9152.2613052731. The cubic root of 83763887 is about 437.5411870884.

The spelling of 83763887 in words is "eighty-three million, seven hundred sixty-three thousand, eight hundred eighty-seven".