38678861722051 has 16 divisors (see below), whose sum is σ = 39248500301280. Its totient is φ = 38113205644800.

The previous prime is 38678861722049. The next prime is 38678861722079. The reversal of 38678861722051 is 15022716887683.

38678861722051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 38678861722051 - 2¹ = 38678861722049 is a prime.

It is a super-2 number, since 2×38678861722051² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38678861728051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23227515 + ... + 24836971.

It is an arithmetic number, because the mean of its divisors is an integer number (2453031268830).

Almost surely, 2^{38678861722051} is an apocalyptic number.

38678861722051 is a deficient number, since it is larger than the sum of its proper divisors (569638579229).

38678861722051 is a wasteful number, since it uses less digits than its factorization.

38678861722051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610694.

The product of its (nonzero) digits is 54190080, while the sum is 64.

The spelling of 38678861722051 in words is "thirty-eight trillion, six hundred seventy-eight billion, eight hundred sixty-one million, seven hundred twenty-two thousand, fifty-one".