77101273131002 has 12 divisors (see below), whose sum is σ = 122855142827310. Its totient is φ = 36282952061376.

The previous prime is 77101273130939. The next prime is 77101273131011. The reversal of 77101273131002 is 20013137210177.

It can be written as a sum of positive squares in 3 ways, for example, as 64124556543961 + 12976716587041 = 8007781^2 + 3602321^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66696602477 + ... + 66696603632.

Almost surely, 2^{77101273131002} is an apocalyptic number.

77101273131002 is a deficient number, since it is larger than the sum of its proper divisors (45753869696308).

77101273131002 is a wasteful number, since it uses less digits than its factorization.

77101273131002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133393206145 (or 133393206128 counting only the distinct ones).

The product of its (nonzero) digits is 12348, while the sum is 35.

The spelling of 77101273131002 in words is "seventy-seven trillion, one hundred one billion, two hundred seventy-three million, one hundred thirty-one thousand, two".