77271114523 has 2 divisors, whose sum is σ = 77271114524. Its totient is φ = 77271114522.

The previous prime is 77271114511. The next prime is 77271114533. The reversal of 77271114523 is 32541117277.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 77271114523 - 2⁵ = 77271114491 is a prime.

It is not a weakly prime, because it can be changed into another prime (77271114533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38635557261 + 38635557262.

It is an arithmetic number, because the mean of its divisors is an integer number (38635557262).

Almost surely, 2^77271114523 is an apocalyptic number.

77271114523 is a deficient number, since it is larger than the sum of its proper divisors (1).

77271114523 is an equidigital number, since it uses as much as digits as its factorization.

77271114523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82320, while the sum is 40.

The spelling of 77271114523 in words is "seventy-seven billion, two hundred seventy-one million, one hundred fourteen thousand, five hundred twenty-three".