77334880662005 has 8 divisors (see below), whose sum is σ = 93623112164952. Its totient is φ = 61320400949248.

The previous prime is 77334880662001. The next prime is 77334880662037. The reversal of 77334880662005 is 50026608843377.

It can be written as a sum of positive squares in 4 ways, for example, as 140680505476 + 77194200156529 = 375074^2 + 8786023^2 .

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 77334880662005 - 2² = 77334880662001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77334880662001) 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, 68437946924 + ... + 68437948053.

It is an arithmetic number, because the mean of its divisors is an integer number (11702889020619).

Almost surely, 2^{77334880662005} is an apocalyptic number.

It is an amenable number.

77334880662005 is a deficient number, since it is larger than the sum of its proper divisors (16288231502947).

77334880662005 is a wasteful number, since it uses less digits than its factorization.

77334880662005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136875895095.

The product of its (nonzero) digits is 40642560, while the sum is 59.

The spelling of 77334880662005 in words is "seventy-seven trillion, three hundred thirty-four billion, eight hundred eighty million, six hundred sixty-two thousand, five".