77711334 has 8 divisors (see below), whose sum is σ = 155422680. Its totient is φ = 25903776.

The previous prime is 77711321. The next prime is 77711339. The reversal of 77711334 is 43311777.

It is a sphenic number, since it is the product of 3 distinct primes.

77711334 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 77711295 and 77711304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77711339) 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, 6475939 + ... + 6475950.

It is an arithmetic number, because the mean of its divisors is an integer number (19427835).

Almost surely, 2^77711334 is an apocalyptic number.

77711334 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77711334 is a wasteful number, since it uses less digits than its factorization.

77711334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12951894.

The product of its digits is 12348, while the sum is 33.

The square root of 77711334 is about 8815.4032239030. The cubic root of 77711334 is about 426.7381348652.

The spelling of 77711334 in words is "seventy-seven million, seven hundred eleven thousand, three hundred thirty-four".