76369889 has 2 divisors, whose sum is σ = 76369890. Its totient is φ = 76369888.

The previous prime is 76369871. The next prime is 76369927. The reversal of 76369889 is 98896367.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75550864 + 819025 = 8692^2 + 905^2 .

It is a cyclic number.

It is not a de Polignac number, because 76369889 - 2¹⁶ = 76304353 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (76369829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38184944 + 38184945.

It is an arithmetic number, because the mean of its divisors is an integer number (38184945).

Almost surely, 2^76369889 is an apocalyptic number.

It is an amenable number.

76369889 is a deficient number, since it is larger than the sum of its proper divisors (1).

76369889 is an equidigital number, since it uses as much as digits as its factorization.

76369889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3919104, while the sum is 56.

The square root of 76369889 is about 8738.9867261600. The cubic root of 76369889 is about 424.2684328001.

The spelling of 76369889 in words is "seventy-six million, three hundred sixty-nine thousand, eight hundred eighty-nine".