388470085385 has 8 divisors (see below), whose sum is σ = 466324368840. Its totient is φ = 310669224064.

The previous prime is 388470085357. The next prime is 388470085391. The reversal of 388470085385 is 583580074883.

It can be written as a sum of positive squares in 4 ways, for example, as 180092443129 + 208377642256 = 424373^2 + 456484^2 .

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 388470085385 - 2²² = 388465891081 is a prime.

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, 13339532 + ... + 13368621.

It is an arithmetic number, because the mean of its divisors is an integer number (58290546105).

Almost surely, 2^388470085385 is an apocalyptic number.

It is an amenable number.

388470085385 is a deficient number, since it is larger than the sum of its proper divisors (77854283455).

388470085385 is a wasteful number, since it uses less digits than its factorization.

388470085385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26711067.

The product of its (nonzero) digits is 25804800, while the sum is 59.

The spelling of 388470085385 in words is "three hundred eighty-eight billion, four hundred seventy million, eighty-five thousand, three hundred eighty-five".