77713267 has 2 divisors, whose sum is σ = 77713268. Its totient is φ = 77713266.

The previous prime is 77713241. The next prime is 77713277. The reversal of 77713267 is 76231777.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 77713267 - 2¹¹ = 77711219 is a prime.

It is not a weakly prime, because it can be changed into another prime (77713217) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38856633 + 38856634.

It is an arithmetic number, because the mean of its divisors is an integer number (38856634).

Almost surely, 2^77713267 is an apocalyptic number.

77713267 is a deficient number, since it is larger than the sum of its proper divisors (1).

77713267 is an equidigital number, since it uses as much as digits as its factorization.

77713267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86436, while the sum is 40.

The square root of 77713267 is about 8815.5128608607. The cubic root of 77713267 is about 426.7416730791.

The spelling of 77713267 in words is "seventy-seven million, seven hundred thirteen thousand, two hundred sixty-seven".