77737434341 has 4 divisors (see below), whose sum is σ = 88842782112. Its totient is φ = 66632086572.

The previous prime is 77737434323. The next prime is 77737434349. The reversal of 77737434341 is 14343473777.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77737434341 is a prime.

It is a super-2 number, since 2×77737434341² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 77737434341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77737434349) 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, 5552673875 + ... + 5552673888.

It is an arithmetic number, because the mean of its divisors is an integer number (22210695528).

Almost surely, 2^77737434341 is an apocalyptic number.

It is an amenable number.

77737434341 is a deficient number, since it is larger than the sum of its proper divisors (11105347771).

77737434341 is a wasteful number, since it uses less digits than its factorization.

77737434341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11105347770.

The product of its digits is 4148928, while the sum is 50.

The spelling of 77737434341 in words is "seventy-seven billion, seven hundred thirty-seven million, four hundred thirty-four thousand, three hundred forty-one".