388670708641 has 16 divisors (see below), whose sum is σ = 410214974400. Its totient is φ = 367688438208.

The previous prime is 388670708563. The next prime is 388670708677. The reversal of 388670708641 is 146807076883.

It is a cyclic number.

It is not a de Polignac number, because 388670708641 - 2¹⁵ = 388670675873 is a prime.

It is a super-2 number, since 2×388670708641² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (388670708141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 964750 + ... + 1306936.

It is an arithmetic number, because the mean of its divisors is an integer number (25638435900).

Almost surely, 2^388670708641 is an apocalyptic number.

It is an amenable number.

388670708641 is a deficient number, since it is larger than the sum of its proper divisors (21544265759).

388670708641 is a wasteful number, since it uses less digits than its factorization.

388670708641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343008.

The product of its (nonzero) digits is 10838016, while the sum is 58.

The spelling of 388670708641 in words is "three hundred eighty-eight billion, six hundred seventy million, seven hundred eight thousand, six hundred forty-one".