385566055886 has 16 divisors (see below), whose sum is σ = 651278734848. Its totient is φ = 169603836600.

The previous prime is 385566055829. The next prime is 385566055891. The reversal of 385566055886 is 688550665583.

It is a happy number.

It is a super-2 number, since 2×385566055886² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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, 282672380 + ... + 282673743.

It is an arithmetic number, because the mean of its divisors is an integer number (40704920928).

Almost surely, 2^385566055886 is an apocalyptic number.

385566055886 is a deficient number, since it is larger than the sum of its proper divisors (265712678962).

385566055886 is a wasteful number, since it uses less digits than its factorization.

385566055886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565346167.

The product of its (nonzero) digits is 207360000, while the sum is 65.

The spelling of 385566055886 in words is "three hundred eighty-five billion, five hundred sixty-six million, fifty-five thousand, eight hundred eighty-six".