387256322047 has 8 divisors (see below), whose sum is σ = 444001738752. Its totient is φ = 330866676600.

The previous prime is 387256322029. The next prime is 387256322059. The reversal of 387256322047 is 740223652783.

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-387256322047 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 (387256322147) 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, 88940479 + ... + 88944832.

It is an arithmetic number, because the mean of its divisors is an integer number (55500217344).

Almost surely, 2^387256322047 is an apocalyptic number.

387256322047 is a deficient number, since it is larger than the sum of its proper divisors (56745416705).

387256322047 is a wasteful number, since it uses less digits than its factorization.

387256322047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177885629.

The product of its (nonzero) digits is 3386880, while the sum is 49.

The spelling of 387256322047 in words is "three hundred eighty-seven billion, two hundred fifty-six million, three hundred twenty-two thousand, forty-seven".