7770321506641 has 8 divisors (see below), whose sum is σ = 8065740081024. Its totient is φ = 7480323456720.

The previous prime is 7770321506537. The next prime is 7770321506657. The reversal of 7770321506641 is 1466051230777.

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 7770321506641 - 2⁷ = 7770321506513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7770321506671) 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 7 ways as a sum of consecutive naturals, for example, 1355128195 + ... + 1355133928.

It is an arithmetic number, because the mean of its divisors is an integer number (1008217510128).

Almost surely, 2^{7770321506641} is an apocalyptic number.

It is an amenable number.

7770321506641 is a deficient number, since it is larger than the sum of its proper divisors (295418574383).

7770321506641 is a wasteful number, since it uses less digits than its factorization.

7770321506641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2710262231.

The product of its (nonzero) digits is 1481760, while the sum is 49.

The spelling of 7770321506641 in words is "seven trillion, seven hundred seventy billion, three hundred twenty-one million, five hundred six thousand, six hundred forty-one".