7678304400794 has 8 divisors (see below), whose sum is σ = 11828739212148. Its totient is φ = 3735391330080.

The previous prime is 7678304400763. The next prime is 7678304400797. The reversal of 7678304400794 is 4970044038767.

It can be written as a sum of positive squares in 2 ways, for example, as 7609945683769 + 68358717025 = 2758613^2 + 261455^2 .

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

It is not an unprimeable number, because it can be changed into a prime (7678304400797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51880435067 + ... + 51880435214.

Almost surely, 2^{7678304400794} is an apocalyptic number.

7678304400794 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

7678304400794 is a deficient number, since it is larger than the sum of its proper divisors (4150434811354).

7678304400794 is a wasteful number, since it uses less digits than its factorization.

7678304400794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103760870320.

The product of its (nonzero) digits is 28449792, while the sum is 59.

The spelling of 7678304400794 in words is "seven trillion, six hundred seventy-eight billion, three hundred four million, four hundred thousand, seven hundred ninety-four".