77135744107 has 4 divisors (see below), whose sum is σ = 77137279240. Its totient is φ = 77134208976.

The previous prime is 77135744099. The next prime is 77135744113. The reversal of 77135744107 is 70144753177.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 77135744107 - 2³ = 77135744099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77135744167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 689553 + ... + 793570.

It is an arithmetic number, because the mean of its divisors is an integer number (19284319810).

Almost surely, 2^77135744107 is an apocalyptic number.

77135744107 is a deficient number, since it is larger than the sum of its proper divisors (1535133).

77135744107 is a wasteful number, since it uses less digits than its factorization.

77135744107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535132.

The product of its (nonzero) digits is 576240, while the sum is 46.

The spelling of 77135744107 in words is "seventy-seven billion, one hundred thirty-five million, seven hundred forty-four thousand, one hundred seven".