385008157697 has 8 divisors (see below), whose sum is σ = 388553965800. Its totient is φ = 381462597504.

The previous prime is 385008157649. The next prime is 385008157837. The reversal of 385008157697 is 796751800583.

It can be written as a sum of positive squares in 4 ways, for example, as 305763655681 + 79244502016 = 552959^2 + 281504^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-385008157697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385008157607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4814879 + ... + 4894187.

It is an arithmetic number, because the mean of its divisors is an integer number (48569245725).

Almost surely, 2^385008157697 is an apocalyptic number.

It is an amenable number.

385008157697 is a deficient number, since it is larger than the sum of its proper divisors (3545808103).

385008157697 is a wasteful number, since it uses less digits than its factorization.

385008157697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123955.

The product of its (nonzero) digits is 12700800, while the sum is 59.

The spelling of 385008157697 in words is "three hundred eighty-five billion, eight million, one hundred fifty-seven thousand, six hundred ninety-seven".