6390679124678 has 4 divisors (see below), whose sum is σ = 9586018687020. Its totient is φ = 3195339562338.

The previous prime is 6390679124657. The next prime is 6390679124699. The reversal of 6390679124678 is 8764219760936.

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

It is an interprime number because it is at equal distance from previous prime (6390679124657) and next prime (6390679124699).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1597669781168 + ... + 1597669781171.

It is an arithmetic number, because the mean of its divisors is an integer number (2396504671755).

Almost surely, 2^{6390679124678} is an apocalyptic number.

6390679124678 is a deficient number, since it is larger than the sum of its proper divisors (3195339562342).

6390679124678 is a wasteful number, since it uses less digits than its factorization.

6390679124678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3195339562341.

The product of its (nonzero) digits is 164602368, while the sum is 68.

The spelling of 6390679124678 in words is "six trillion, three hundred ninety billion, six hundred seventy-nine million, one hundred twenty-four thousand, six hundred seventy-eight".