76506811 has 2 divisors, whose sum is σ = 76506812. Its totient is φ = 76506810.

The previous prime is 76506799. The next prime is 76506841. The reversal of 76506811 is 11860567.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76506811 - 2¹⁵ = 76474043 is a prime.

It is not a weakly prime, because it can be changed into another prime (76506841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38253405 + 38253406.

It is an arithmetic number, because the mean of its divisors is an integer number (38253406).

Almost surely, 2^76506811 is an apocalyptic number.

76506811 is a deficient number, since it is larger than the sum of its proper divisors (1).

76506811 is an equidigital number, since it uses as much as digits as its factorization.

76506811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 76506811 is about 8746.8171925564. The cubic root of 76506811 is about 424.5218354632.

The spelling of 76506811 in words is "seventy-six million, five hundred six thousand, eight hundred eleven".