76888249 has 2 divisors, whose sum is σ = 76888250. Its totient is φ = 76888248.

The previous prime is 76888211. The next prime is 76888271. The reversal of 76888249 is 94288867.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75951225 + 937024 = 8715^2 + 968^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76888249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76888196 and 76888205.

It is not a weakly prime, because it can be changed into another prime (76888289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38444124 + 38444125.

It is an arithmetic number, because the mean of its divisors is an integer number (38444125).

Almost surely, 2^76888249 is an apocalyptic number.

It is an amenable number.

76888249 is a deficient number, since it is larger than the sum of its proper divisors (1).

76888249 is an equidigital number, since it uses as much as digits as its factorization.

76888249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1548288, while the sum is 52.

The square root of 76888249 is about 8768.5944711795. The cubic root of 76888249 is about 425.2261753457.

The spelling of 76888249 in words is "seventy-six million, eight hundred eighty-eight thousand, two hundred forty-nine".