76755139 has 2 divisors, whose sum is σ = 76755140. Its totient is φ = 76755138.

The previous prime is 76755109. The next prime is 76755143. The reversal of 76755139 is 93155767.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 76755139 - 2⁷ = 76755011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76755095 and 76755104.

It is not a weakly prime, because it can be changed into another prime (76755109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38377569 + 38377570.

It is an arithmetic number, because the mean of its divisors is an integer number (38377570).

Almost surely, 2^76755139 is an apocalyptic number.

76755139 is a deficient number, since it is larger than the sum of its proper divisors (1).

76755139 is an equidigital number, since it uses as much as digits as its factorization.

76755139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 198450, while the sum is 43.

The square root of 76755139 is about 8761.0010272799. The cubic root of 76755139 is about 424.9806477924.

The spelling of 76755139 in words is "seventy-six million, seven hundred fifty-five thousand, one hundred thirty-nine".