77441380474411 has 8 divisors (see below), whose sum is σ = 78449138463600. Its totient is φ = 76436680932480.

The previous prime is 77441380474387. The next prime is 77441380474417. The reversal of 77441380474411 is 11447408314477.

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

It is a cyclic number.

It is not a de Polignac number, because 77441380474411 - 2²⁷ = 77441246256683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77441380474417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 764560845 + ... + 764662126.

It is an arithmetic number, because the mean of its divisors is an integer number (9806142307950).

Almost surely, 2^{77441380474411} is an apocalyptic number.

77441380474411 is a deficient number, since it is larger than the sum of its proper divisors (1007757989189).

77441380474411 is a wasteful number, since it uses less digits than its factorization.

77441380474411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529223629.

The product of its (nonzero) digits is 8429568, while the sum is 55.

Adding to 77441380474411 its reverse (11447408314477), we get a palindrome (88888788788888).

The spelling of 77441380474411 in words is "seventy-seven trillion, four hundred forty-one billion, three hundred eighty million, four hundred seventy-four thousand, four hundred eleven".