385806047275 has 24 divisors (see below), whose sum is σ = 522645887808. Its totient is φ = 280180020000.

The previous prime is 385806047267. The next prime is 385806047293. The reversal of 385806047275 is 572740608583.

It is not a de Polignac number, because 385806047275 - 2³ = 385806047267 is a prime.

It is a super-2 number, since 2×385806047275² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 825121 + ... + 1205170.

It is an arithmetic number, because the mean of its divisors is an integer number (21776911992).

Almost surely, 2^385806047275 is an apocalyptic number.

385806047275 is a deficient number, since it is larger than the sum of its proper divisors (136839840533).

385806047275 is a wasteful number, since it uses less digits than its factorization.

385806047275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031003 (or 2030998 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 55.

The spelling of 385806047275 in words is "three hundred eighty-five billion, eight hundred six million, forty-seven thousand, two hundred seventy-five".