38678403378846 has 64 divisors (see below), whose sum is σ = 96476610101760. Its totient is φ = 10043030194560.

The previous prime is 38678403378803. The next prime is 38678403378859. The reversal of 38678403378846 is 64887330487683.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12380161 + ... + 15186348.

It is an arithmetic number, because the mean of its divisors is an integer number (1507447032840).

Almost surely, 2^{38678403378846} is an apocalyptic number.

38678403378846 is an abundant number, since it is smaller than the sum of its proper divisors (57798206722914).

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

38678403378846 is a wasteful number, since it uses less digits than its factorization.

38678403378846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27569569.

The product of its (nonzero) digits is 3121348608, while the sum is 75.

The spelling of 38678403378846 in words is "thirty-eight trillion, six hundred seventy-eight billion, four hundred three million, three hundred seventy-eight thousand, eight hundred forty-six".