387192407947 has 8 divisors (see below), whose sum is σ = 410313234240. Its totient is φ = 364722872640.

The previous prime is 387192407941. The next prime is 387192407969. The reversal of 387192407947 is 749704291783.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-387192407947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (387192407941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162821523 + ... + 162823900.

It is an arithmetic number, because the mean of its divisors is an integer number (51289154280).

Almost surely, 2^387192407947 is an apocalyptic number.

387192407947 is a deficient number, since it is larger than the sum of its proper divisors (23120826293).

387192407947 is a wasteful number, since it uses less digits than its factorization.

387192407947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325645493.

The product of its (nonzero) digits is 21337344, while the sum is 61.

The spelling of 387192407947 in words is "three hundred eighty-seven billion, one hundred ninety-two million, four hundred seven thousand, nine hundred forty-seven".