387734848547 has 4 divisors (see below), whose sum is σ = 398214168816. Its totient is φ = 377255528280.

The previous prime is 387734848537. The next prime is 387734848549. The reversal of 387734848547 is 745848437783.

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

It is a cyclic number.

It is not a de Polignac number, because 387734848547 - 2²⁴ = 387718071331 is a prime.

It is a super-2 number, since 2×387734848547² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (387734848549) 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, 5239660079 + ... + 5239660152.

It is an arithmetic number, because the mean of its divisors is an integer number (99553542204).

Almost surely, 2^387734848547 is an apocalyptic number.

387734848547 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

387734848547 is a deficient number, since it is larger than the sum of its proper divisors (10479320269).

387734848547 is a wasteful number, since it uses less digits than its factorization.

387734848547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10479320268.

The product of its digits is 505774080, while the sum is 68.

The spelling of 387734848547 in words is "three hundred eighty-seven billion, seven hundred thirty-four million, eight hundred forty-eight thousand, five hundred forty-seven".