388420959797 has 8 divisors (see below), whose sum is σ = 418539783480. Its totient is φ = 358336463040.

The previous prime is 388420959763. The next prime is 388420959833. The reversal of 388420959797 is 797959024883.

It can be written as a sum of positive squares in 4 ways, for example, as 3771679396 + 384649280401 = 61414^2 + 620201^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 388420959797 - 2¹⁶ = 388420894261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 388420959797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388420959397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8558222 + ... + 8603487.

It is an arithmetic number, because the mean of its divisors is an integer number (52317472935).

Almost surely, 2^388420959797 is an apocalyptic number.

It is an amenable number.

388420959797 is a deficient number, since it is larger than the sum of its proper divisors (30118823683).

388420959797 is a wasteful number, since it uses less digits than its factorization.

388420959797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17163463.

The product of its (nonzero) digits is 274337280, while the sum is 71.

The spelling of 388420959797 in words is "three hundred eighty-eight billion, four hundred twenty million, nine hundred fifty-nine thousand, seven hundred ninety-seven".