77304343111 has 4 divisors (see below), whose sum is σ = 77328786472. Its totient is φ = 77279899752.

The previous prime is 77304343057. The next prime is 77304343121. The reversal of 77304343111 is 11134340377.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11134340377 = 173 ⋅64360349.

It is a cyclic number.

It is not a de Polignac number, because 77304343111 - 2³³ = 68714408519 is a prime.

It is a super-2 number, since 2×77304343111² (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 (77304343121) 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, 12216936 + ... + 12223261.

It is an arithmetic number, because the mean of its divisors is an integer number (19332196618).

Almost surely, 2^77304343111 is an apocalyptic number.

77304343111 is a deficient number, since it is larger than the sum of its proper divisors (24443361).

77304343111 is a wasteful number, since it uses less digits than its factorization.

77304343111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24443360.

The product of its (nonzero) digits is 21168, while the sum is 34.

Adding to 77304343111 its reverse (11134340377), we get a palindrome (88438683488).

The spelling of 77304343111 in words is "seventy-seven billion, three hundred four million, three hundred forty-three thousand, one hundred eleven".