38684774315487 has 16 divisors (see below), whose sum is σ = 54837809699328. Its totient is φ = 24203107362720.

The previous prime is 38684774315477. The next prime is 38684774315501. The reversal of 38684774315487 is 78451347748683.

It is not a de Polignac number, because 38684774315487 - 2⁴ = 38684774315471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38684774315437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5289136939 + ... + 5289144252.

It is an arithmetic number, because the mean of its divisors is an integer number (3427363106208).

Almost surely, 2^{38684774315487} is an apocalyptic number.

38684774315487 is a deficient number, since it is larger than the sum of its proper divisors (16153035383841).

38684774315487 is a wasteful number, since it uses less digits than its factorization.

38684774315487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10578281270.

The product of its digits is 3034644480, while the sum is 75.

The spelling of 38684774315487 in words is "thirty-eight trillion, six hundred eighty-four billion, seven hundred seventy-four million, three hundred fifteen thousand, four hundred eighty-seven".