38678632740357 has 4 divisors (see below), whose sum is σ = 51571510320480. Its totient is φ = 25785755160236.

The previous prime is 38678632740329. The next prime is 38678632740367. The reversal of 38678632740357 is 75304723687683.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38678632740357 - 2³² = 38674337773061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38678632740291 and 38678632740300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38678632740367) 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 3 ways as a sum of consecutive naturals, for example, 6446438790057 + ... + 6446438790062.

It is an arithmetic number, because the mean of its divisors is an integer number (12892877580120).

Almost surely, 2^{38678632740357} is an apocalyptic number.

It is an amenable number.

38678632740357 is a deficient number, since it is larger than the sum of its proper divisors (12892877580123).

38678632740357 is a wasteful number, since it uses less digits than its factorization.

38678632740357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12892877580122.

The product of its (nonzero) digits is 853493760, while the sum is 69.

The spelling of 38678632740357 in words is "thirty-eight trillion, six hundred seventy-eight billion, six hundred thirty-two million, seven hundred forty thousand, three hundred fifty-seven".