8378606761609 has 8 divisors (see below), whose sum is σ = 9581186590400. Its totient is φ = 7177435934256.

The previous prime is 8378606761583. The next prime is 8378606761697. The reversal of 8378606761609 is 9061676068738.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8378606761609 - 2¹¹ = 8378606759561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8378606731609) 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, 352237614 + ... + 352261399.

It is an arithmetic number, because the mean of its divisors is an integer number (1197648323800).

Almost surely, 2^{8378606761609} is an apocalyptic number.

It is an amenable number.

8378606761609 is a deficient number, since it is larger than the sum of its proper divisors (1202579828791).

8378606761609 is a wasteful number, since it uses less digits than its factorization.

8378606761609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704500719.

The product of its (nonzero) digits is 109734912, while the sum is 67.

The spelling of 8378606761609 in words is "eight trillion, three hundred seventy-eight billion, six hundred six million, seven hundred sixty-one thousand, six hundred nine".