38678447118620 has 48 divisors (see below), whose sum is σ = 81605948897088. Its totient is φ = 15398836976640.

The previous prime is 38678447118607. The next prime is 38678447118637. The reversal of 38678447118620 is 2681174487683.

It is a happy number.

It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6730214 + ... + 11074866.

It is an arithmetic number, because the mean of its divisors is an integer number (1700123935356).

Almost surely, 2^{38678447118620} is an apocalyptic number.

It is an amenable number.

38678447118620 is an abundant number, since it is smaller than the sum of its proper divisors (42927501778468).

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

38678447118620 is a wasteful number, since it uses less digits than its factorization.

38678447118620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4346750 (or 4346748 counting only the distinct ones).

The product of its (nonzero) digits is 86704128, while the sum is 65.

The spelling of 38678447118620 in words is "thirty-eight trillion, six hundred seventy-eight billion, four hundred forty-seven million, one hundred eighteen thousand, six hundred twenty".