387639129054 has 32 divisors (see below), whose sum is σ = 800785852416. Its totient is φ = 124966971360.

The previous prime is 387639128953. The next prime is 387639129083. The reversal of 387639129054 is 450921936783.

It is a junction number, because it is equal to n+sod(n) for n = 387639128985 and 387639129003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 349537 + ... + 947340.

It is an arithmetic number, because the mean of its divisors is an integer number (25024557888).

It is a 1-persistent number, because it is pandigital, but 2⋅387639129054 = 775278258108 is not.

Almost surely, 2^387639129054 is an apocalyptic number.

387639129054 is an abundant number, since it is smaller than the sum of its proper divisors (413146723362).

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

387639129054 is a wasteful number, since it uses less digits than its factorization.

387639129054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298520.

The product of its (nonzero) digits is 9797760, while the sum is 57.

The spelling of 387639129054 in words is "three hundred eighty-seven billion, six hundred thirty-nine million, one hundred twenty-nine thousand, fifty-four".