76399189 has 2 divisors, whose sum is σ = 76399190. Its totient is φ = 76399188.

The previous prime is 76399181. The next prime is 76399217. The reversal of 76399189 is 98199367.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49463089 + 26936100 = 7033^2 + 5190^2 .

It is a cyclic number.

It is not a de Polignac number, because 76399189 - 2³ = 76399181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76399181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38199594 + 38199595.

It is an arithmetic number, because the mean of its divisors is an integer number (38199595).

Almost surely, 2^76399189 is an apocalyptic number.

It is an amenable number.

76399189 is a deficient number, since it is larger than the sum of its proper divisors (1).

76399189 is an equidigital number, since it uses as much as digits as its factorization.

76399189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 734832, while the sum is 52.

The square root of 76399189 is about 8740.6629611260. The cubic root of 76399189 is about 424.3226840057.

The spelling of 76399189 in words is "seventy-six million, three hundred ninety-nine thousand, one hundred eighty-nine".