385566877303 has 4 divisors (see below), whose sum is σ = 385578198880. Its totient is φ = 385555555728.

The previous prime is 385566877291. The next prime is 385566877357. The reversal of 385566877303 is 303778665583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 303778665583 = 31 ⋅9799311793.

It is a cyclic number.

It is not a de Polignac number, because 385566877303 - 2⁵ = 385566877271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385566877903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5609550 + ... + 5677867.

It is an arithmetic number, because the mean of its divisors is an integer number (96394549720).

Almost surely, 2^385566877303 is an apocalyptic number.

385566877303 is a deficient number, since it is larger than the sum of its proper divisors (11321577).

385566877303 is a wasteful number, since it uses less digits than its factorization.

385566877303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11321576.

The product of its (nonzero) digits is 76204800, while the sum is 61.

The spelling of 385566877303 in words is "three hundred eighty-five billion, five hundred sixty-six million, eight hundred seventy-seven thousand, three hundred three".