38678405446131 has 32 divisors (see below), whose sum is σ = 56807433166848. Its totient is φ = 23213165703840.

The previous prime is 38678405446111. The next prime is 38678405446159. The reversal of 38678405446131 is 13164450487683.

It is not a de Polignac number, because 38678405446131 - 2¹⁹ = 38678404921843 is a prime.

It is a super-2 number, since 2×38678405446131² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38678405446111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125088540 + ... + 125397366.

It is an arithmetic number, because the mean of its divisors is an integer number (1775232286464).

Almost surely, 2^{38678405446131} is an apocalyptic number.

38678405446131 is a deficient number, since it is larger than the sum of its proper divisors (18129027720717).

38678405446131 is a wasteful number, since it uses less digits than its factorization.

38678405446131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345791.

The product of its (nonzero) digits is 46448640, while the sum is 60.

The spelling of 38678405446131 in words is "thirty-eight trillion, six hundred seventy-eight billion, four hundred five million, four hundred forty-six thousand, one hundred thirty-one".