38678466072446 has 8 divisors (see below), whose sum is σ = 58580977741104. Its totient is φ = 19151473492080.

The previous prime is 38678466072373. The next prime is 38678466072457. The reversal of 38678466072446 is 64427066487683.

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

It is a self number, because there is not a number n which added to its sum of digits gives 38678466072446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93879771815 + ... + 93879772226.

It is an arithmetic number, because the mean of its divisors is an integer number (7322622217638).

Almost surely, 2^{38678466072446} is an apocalyptic number.

38678466072446 is a deficient number, since it is larger than the sum of its proper divisors (19902511668658).

38678466072446 is a wasteful number, since it uses less digits than its factorization.

38678466072446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187759544146.

The product of its (nonzero) digits is 1560674304, while the sum is 71.

The spelling of 38678466072446 in words is "thirty-eight trillion, six hundred seventy-eight billion, four hundred sixty-six million, seventy-two thousand, four hundred forty-six".