387639522834 has 16 divisors (see below), whose sum is σ = 791774345088. Its totient is φ = 126463957712.

The previous prime is 387639522797. The next prime is 387639522859. The reversal of 387639522834 is 438225936783.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 687303837 + ... + 687304400.

It is an arithmetic number, because the mean of its divisors is an integer number (49485896568).

Almost surely, 2^387639522834 is an apocalyptic number.

387639522834 is an abundant number, since it is smaller than the sum of its proper divisors (404134822254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

387639522834 is a wasteful number, since it uses less digits than its factorization.

387639522834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374608289.

The product of its digits is 52254720, while the sum is 60.

The spelling of 387639522834 in words is "three hundred eighty-seven billion, six hundred thirty-nine million, five hundred twenty-two thousand, eight hundred thirty-four".