387661578237322 has 16 divisors (see below), whose sum is σ = 586249427100960. Its totient is φ = 192250450553392.

The previous prime is 387661578237319. The next prime is 387661578237379. The reversal of 387661578237322 is 223732875166783.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1336858828 + ... + 1337148775.

It is an arithmetic number, because the mean of its divisors is an integer number (36640589193810).

Almost surely, 2^{387661578237322} is an apocalyptic number.

387661578237322 is a deficient number, since it is larger than the sum of its proper divisors (198587848863638).

387661578237322 is a wasteful number, since it uses less digits than its factorization.

387661578237322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2674008197.

The product of its digits is 853493760, while the sum is 70.

The spelling of 387661578237322 in words is "three hundred eighty-seven trillion, six hundred sixty-one billion, five hundred seventy-eight million, two hundred thirty-seven thousand, three hundred twenty-two".