38470464847 has 4 divisors (see below), whose sum is σ = 39711447616. Its totient is φ = 37229482080.

The previous prime is 38470464827. The next prime is 38470464853. The reversal of 38470464847 is 74846407483.

38470464847 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38470464847 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 (38470464827) 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, 620491338 + ... + 620491399.

It is an arithmetic number, because the mean of its divisors is an integer number (9927861904).

Almost surely, 2^38470464847 is an apocalyptic number.

38470464847 is a deficient number, since it is larger than the sum of its proper divisors (1240982769).

38470464847 is a wasteful number, since it uses less digits than its factorization.

38470464847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240982768.

The product of its (nonzero) digits is 14450688, while the sum is 55.

The spelling of 38470464847 in words is "thirty-eight billion, four hundred seventy million, four hundred sixty-four thousand, eight hundred forty-seven".