387505020631652 has 24 divisors (see below), whose sum is σ = 845465499560640. Its totient is φ = 150975982064160.

The previous prime is 387505020631637. The next prime is 387505020631697. The reversal of 387505020631652 is 256136020505783.

It is a junction number, because it is equal to n+sod(n) for n = 387505020631594 and 387505020631603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 629066591627 + ... + 629066592242.

It is an arithmetic number, because the mean of its divisors is an integer number (35227729148360).

Almost surely, 2^{387505020631652} is an apocalyptic number.

It is an amenable number.

387505020631652 is an abundant number, since it is smaller than the sum of its proper divisors (457960478928988).

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

387505020631652 is a wasteful number, since it uses less digits than its factorization.

387505020631652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258133183891 (or 1258133183889 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 53.

The spelling of 387505020631652 in words is "three hundred eighty-seven trillion, five hundred five billion, twenty million, six hundred thirty-one thousand, six hundred fifty-two".