77002607062321 has 16 divisors (see below), whose sum is σ = 82339535045376. Its totient is φ = 71758763278336.

The previous prime is 77002607062243. The next prime is 77002607062331. The reversal of 77002607062321 is 12326070620077.

It is a cyclic number.

It is not a de Polignac number, because 77002607062321 - 2¹¹ = 77002607060273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77002607062331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52039141 + ... + 53498386.

It is an arithmetic number, because the mean of its divisors is an integer number (5146220940336).

Almost surely, 2^{77002607062321} is an apocalyptic number.

It is an amenable number.

77002607062321 is a deficient number, since it is larger than the sum of its proper divisors (5336927983055).

77002607062321 is a wasteful number, since it uses less digits than its factorization.

77002607062321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105537968.

The product of its (nonzero) digits is 296352, while the sum is 43.

Adding to 77002607062321 its reverse (12326070620077), we get a palindrome (89328677682398).

The spelling of 77002607062321 in words is "seventy-seven trillion, two billion, six hundred seven million, sixty-two thousand, three hundred twenty-one".