77260212771 has 32 divisors (see below), whose sum is σ = 119282085888. Its totient is φ = 43567800480.

The previous prime is 77260212763. The next prime is 77260212773. The reversal of 77260212771 is 17721206277.

It is not a de Polignac number, because 77260212771 - 2³ = 77260212763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77260212773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1556466 + ... + 1605336.

It is an arithmetic number, because the mean of its divisors is an integer number (3727565184).

Almost surely, 2^77260212771 is an apocalyptic number.

77260212771 is a deficient number, since it is larger than the sum of its proper divisors (42021873117).

77260212771 is a wasteful number, since it uses less digits than its factorization.

77260212771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49871.

The product of its (nonzero) digits is 115248, while the sum is 42.

The spelling of 77260212771 in words is "seventy-seven billion, two hundred sixty million, two hundred twelve thousand, seven hundred seventy-one".