77135744152 has 16 divisors (see below), whose sum is σ = 152241600600. Its totient is φ = 36537984000.

The previous prime is 77135744149. The next prime is 77135744159. The reversal of 77135744152 is 25144753177.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77135744159) 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 3 ways as a sum of consecutive naturals, for example, 253735849 + ... + 253736152.

Almost surely, 2^77135744152 is an apocalyptic number.

It is an amenable number.

77135744152 is a deficient number, since it is larger than the sum of its proper divisors (75105856448).

77135744152 is a wasteful number, since it uses less digits than its factorization.

77135744152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507472026 (or 507472022 counting only the distinct ones).

The product of its digits is 823200, while the sum is 46.

The spelling of 77135744152 in words is "seventy-seven billion, one hundred thirty-five million, seven hundred forty-four thousand, one hundred fifty-two".