38432523870687 has 4 divisors (see below), whose sum is σ = 51243365160920. Its totient is φ = 25621682580456.

The previous prime is 38432523870599. The next prime is 38432523870691. The reversal of 38432523870687 is 78607832523483.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 38432523870687 - 2¹⁵ = 38432523837919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38432523870187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6405420645112 + ... + 6405420645117.

It is an arithmetic number, because the mean of its divisors is an integer number (12810841290230).

Almost surely, 2^{38432523870687} is an apocalyptic number.

38432523870687 is a deficient number, since it is larger than the sum of its proper divisors (12810841290233).

38432523870687 is a wasteful number, since it uses less digits than its factorization.

38432523870687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12810841290232.

The product of its (nonzero) digits is 325140480, while the sum is 66.

The spelling of 38432523870687 in words is "thirty-eight trillion, four hundred thirty-two billion, five hundred twenty-three million, eight hundred seventy thousand, six hundred eighty-seven".