7776464378097 has 16 divisors (see below), whose sum is σ = 10511099972480. Its totient is φ = 5113075197312.

The previous prime is 7776464378063. The next prime is 7776464378141. The reversal of 7776464378097 is 7908734646777.

It is not a de Polignac number, because 7776464378097 - 2¹¹ = 7776464376049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7776464378027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4517979 + ... + 5997087.

It is an arithmetic number, because the mean of its divisors is an integer number (656943748280).

Almost surely, 2^{7776464378097} is an apocalyptic number.

It is an amenable number.

7776464378097 is a deficient number, since it is larger than the sum of its proper divisors (2734635594383).

7776464378097 is a wasteful number, since it uses less digits than its factorization.

7776464378097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1503192.

The product of its (nonzero) digits is 2091059712, while the sum is 75.

The spelling of 7776464378097 in words is "seven trillion, seven hundred seventy-six billion, four hundred sixty-four million, three hundred seventy-eight thousand, ninety-seven".