38678676440866 has 32 divisors (see below), whose sum is σ = 72335683605888. Its totient is φ = 15069294311040.

The previous prime is 38678676440857. The next prime is 38678676440867. The reversal of 38678676440866 is 66804467687683.

It is a super-2 number, since 2×38678676440866² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38678676440867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4678126 + ... + 9962038.

It is an arithmetic number, because the mean of its divisors is an integer number (2260490112684).

Almost surely, 2^{38678676440866} is an apocalyptic number.

38678676440866 is a deficient number, since it is larger than the sum of its proper divisors (33657007165022).

38678676440866 is a wasteful number, since it uses less digits than its factorization.

38678676440866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5331466.

The product of its (nonzero) digits is 9364045824, while the sum is 79.

The spelling of 38678676440866 in words is "thirty-eight trillion, six hundred seventy-eight billion, six hundred seventy-six million, four hundred forty thousand, eight hundred sixty-six".