8000404073378 has 4 divisors (see below), whose sum is σ = 12000606110070. Its totient is φ = 4000202036688.

The previous prime is 8000404073371. The next prime is 8000404073393. The reversal of 8000404073378 is 8733704040008.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5196544245649 + 2803859827729 = 2279593^2 + 1674473^2 .

It is not an unprimeable number, because it can be changed into a prime (8000404073371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000101018343 + ... + 2000101018346.

Almost surely, 2^{8000404073378} is an apocalyptic number.

8000404073378 is a deficient number, since it is larger than the sum of its proper divisors (4000202036692).

8000404073378 is a wasteful number, since it uses less digits than its factorization.

8000404073378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4000202036691.

The product of its (nonzero) digits is 451584, while the sum is 44.

The spelling of 8000404073378 in words is "eight trillion, four hundred four million, seventy-three thousand, three hundred seventy-eight".