38660803487 has 4 divisors (see below), whose sum is σ = 40934968416. Its totient is φ = 36386638560.

The previous prime is 38660803457. The next prime is 38660803501. The reversal of 38660803487 is 78430806683.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78430806683 = 167 ⋅469645549.

It is a cyclic number.

It is not a de Polignac number, because 38660803487 - 2²⁴ = 38644026271 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 (38660803457) 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, 1137082439 + ... + 1137082472.

It is an arithmetic number, because the mean of its divisors is an integer number (10233742104).

Almost surely, 2^38660803487 is an apocalyptic number.

38660803487 is a deficient number, since it is larger than the sum of its proper divisors (2274164929).

38660803487 is a wasteful number, since it uses less digits than its factorization.

38660803487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2274164928.

The product of its (nonzero) digits is 4644864, while the sum is 53.

The spelling of 38660803487 in words is "thirty-eight billion, six hundred sixty million, eight hundred three thousand, four hundred eighty-seven".