77512614416 has 20 divisors (see below), whose sum is σ = 150205375824. Its totient is φ = 38749936800.

The previous prime is 77512614397. The next prime is 77512614419. The reversal of 77512614416 is 61441621577.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (77512614419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296990 + ... + 493181.

Almost surely, 2^77512614416 is an apocalyptic number.

It is an amenable number.

77512614416 is a deficient number, since it is larger than the sum of its proper divisors (72692761408).

77512614416 is a wasteful number, since it uses less digits than its factorization.

77512614416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796310 (or 796304 counting only the distinct ones).

The product of its digits is 282240, while the sum is 44.

The spelling of 77512614416 in words is "seventy-seven billion, five hundred twelve million, six hundred fourteen thousand, four hundred sixteen".