388508077313 has 8 divisors (see below), whose sum is σ = 404198400000. Its totient is φ = 373015117440.

The previous prime is 388508077297. The next prime is 388508077319. The reversal of 388508077313 is 313770805883.

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 388508077313 - 2⁴ = 388508077297 is a prime.

It is a super-4 number, since 4×388508077313⁴ (a number of 47 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (388508077319) 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, 49336688 + ... + 49344561.

It is an arithmetic number, because the mean of its divisors is an integer number (50524800000).

Almost surely, 2^388508077313 is an apocalyptic number.

It is an amenable number.

388508077313 is a deficient number, since it is larger than the sum of its proper divisors (15690322687).

388508077313 is a wasteful number, since it uses less digits than its factorization.

388508077313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98681407.

The product of its (nonzero) digits is 3386880, while the sum is 53.

The spelling of 388508077313 in words is "three hundred eighty-eight billion, five hundred eight million, seventy-seven thousand, three hundred thirteen".