77334404011001 has 4 divisors (see below), whose sum is σ = 77334573685092. Its totient is φ = 77334234336912.

The previous prime is 77334404010991. The next prime is 77334404011057. The reversal of 77334404011001 is 10011040443377.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 68890846602601 + 8443557408400 = 8300051^2 + 2905780^2 .

It is a cyclic number.

It is not a de Polignac number, because 77334404011001 - 2⁶ = 77334404010937 is a prime.

It is a super-2 number, since 2×77334404011001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77334404011091) 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, 84151526 + ... + 85065551.

It is an arithmetic number, because the mean of its divisors is an integer number (19333643421273).

Almost surely, 2^{77334404011001} is an apocalyptic number.

It is an amenable number.

77334404011001 is a deficient number, since it is larger than the sum of its proper divisors (169674091).

77334404011001 is a wasteful number, since it uses less digits than its factorization.

77334404011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169674090.

The product of its (nonzero) digits is 28224, while the sum is 35.

Adding to 77334404011001 its reverse (10011040443377), we get a palindrome (87345444454378).

The spelling of 77334404011001 in words is "seventy-seven trillion, three hundred thirty-four billion, four hundred four million, eleven thousand, one".