385113370686 has 64 divisors (see below), whose sum is σ = 864009801216. Its totient is φ = 113408380800.

The previous prime is 385113370673. The next prime is 385113370703. The reversal of 385113370686 is 686073311583.

It is a super-2 number, since 2×385113370686² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1913956 + ... + 2105576.

It is an arithmetic number, because the mean of its divisors is an integer number (13500153144).

Almost surely, 2^385113370686 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 385113370686, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (432004900608).

385113370686 is an abundant number, since it is smaller than the sum of its proper divisors (478896430530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

385113370686 is a wasteful number, since it uses less digits than its factorization.

385113370686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192497.

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 385113370686 in words is "three hundred eighty-five billion, one hundred thirteen million, three hundred seventy thousand, six hundred eighty-six".