77045430311 has 4 divisors (see below), whose sum is σ = 77052409392. Its totient is φ = 77038451232.

The previous prime is 77045430289. The next prime is 77045430347. The reversal of 77045430311 is 11303454077.

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 77045430311 - 2¹⁴ = 77045413927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77045430611) 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, 3472955 + ... + 3495068.

It is an arithmetic number, because the mean of its divisors is an integer number (19263102348).

Almost surely, 2^77045430311 is an apocalyptic number.

77045430311 is a deficient number, since it is larger than the sum of its proper divisors (6979081).

77045430311 is a wasteful number, since it uses less digits than its factorization.

77045430311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6979080.

The product of its (nonzero) digits is 35280, while the sum is 35.

Adding to 77045430311 its reverse (11303454077), we get a palindrome (88348884388).

The spelling of 77045430311 in words is "seventy-seven billion, forty-five million, four hundred thirty thousand, three hundred eleven".