385228366827 has 16 divisors (see below), whose sum is σ = 524819160960. Its totient is φ = 251269502400.

The previous prime is 385228366801. The next prime is 385228366849. The reversal of 385228366827 is 728663822583.

It is a happy number.

It is not a de Polignac number, because 385228366827 - 2¹⁵ = 385228334059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (385228366927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5120074 + ... + 5194767.

It is an arithmetic number, because the mean of its divisors is an integer number (32801197560).

Almost surely, 2^385228366827 is an apocalyptic number.

385228366827 is a deficient number, since it is larger than the sum of its proper divisors (139590794133).

385228366827 is a wasteful number, since it uses less digits than its factorization.

385228366827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10315114.

The product of its digits is 46448640, while the sum is 60.

The spelling of 385228366827 in words is "three hundred eighty-five billion, two hundred twenty-eight million, three hundred sixty-six thousand, eight hundred twenty-seven".