386775111 has 4 divisors (see below), whose sum is σ = 515700152. Its totient is φ = 257850072.

The previous prime is 386775101. The next prime is 386775113. The reversal of 386775111 is 111577683.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 386775111 - 2²¹ = 384677959 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 386775111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386775113) 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, 64462516 + ... + 64462521.

It is an arithmetic number, because the mean of its divisors is an integer number (128925038).

Almost surely, 2^386775111 is an apocalyptic number.

386775111 is a deficient number, since it is larger than the sum of its proper divisors (128925041).

386775111 is a wasteful number, since it uses less digits than its factorization.

386775111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128925040.

The product of its digits is 35280, while the sum is 39.

The square root of 386775111 is about 19666.5988671148. The cubic root of 386775111 is about 728.5949774945.

The spelling of 386775111 in words is "three hundred eighty-six million, seven hundred seventy-five thousand, one hundred eleven".