77324134519 has 4 divisors (see below), whose sum is σ = 77358610296. Its totient is φ = 77289658744.

The previous prime is 77324134513. The next prime is 77324134549. The reversal of 77324134519 is 91543142377.

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 77324134519 - 2³⁵ = 42964396151 is a prime.

It is a super-2 number, since 2×77324134519² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77324134513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17234524 + ... + 17239009.

It is an arithmetic number, because the mean of its divisors is an integer number (19339652574).

Almost surely, 2^77324134519 is an apocalyptic number.

77324134519 is a deficient number, since it is larger than the sum of its proper divisors (34475777).

77324134519 is a wasteful number, since it uses less digits than its factorization.

77324134519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34475776.

The product of its digits is 635040, while the sum is 46.

The spelling of 77324134519 in words is "seventy-seven billion, three hundred twenty-four million, one hundred thirty-four thousand, five hundred nineteen".