7967694378 has 32 divisors (see below), whose sum is σ = 18839871360. Its totient is φ = 2197984320.

The previous prime is 7967694373. The next prime is 7967694379. The reversal of 7967694378 is 8734967697.

It is not an unprimeable number, because it can be changed into a prime (7967694373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3269593 + ... + 3272028.

It is an arithmetic number, because the mean of its divisors is an integer number (588745980).

Almost surely, 2^7967694378 is an apocalyptic number.

7967694378 is an abundant number, since it is smaller than the sum of its proper divisors (10872176982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7967694378 is a wasteful number, since it uses less digits than its factorization.

7967694378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6541662.

The product of its digits is 96018048, while the sum is 66.

The square root of 7967694378 is about 89261.9424951082. The cubic root of 7967694378 is about 1997.3042328857.

The spelling of 7967694378 in words is "seven billion, nine hundred sixty-seven million, six hundred ninety-four thousand, three hundred seventy-eight".