386277398109 has 36 divisors (see below), whose sum is σ = 585135686044. Its totient is φ = 245533901184.

The previous prime is 386277398107. The next prime is 386277398141. The reversal of 386277398109 is 901893772683.

It can be written as a sum of positive squares in 2 ways, for example, as 78671835225 + 307605562884 = 280485^2 + 554622^2 .

It is not a de Polignac number, because 386277398109 - 2¹ = 386277398107 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 (386277398107) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1360587 + ... + 1619799.

Almost surely, 2^386277398109 is an apocalyptic number.

It is an amenable number.

386277398109 is a deficient number, since it is larger than the sum of its proper divisors (198858287935).

386277398109 is a wasteful number, since it uses less digits than its factorization.

386277398109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259578 (or 259552 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 63.

The spelling of 386277398109 in words is "three hundred eighty-six billion, two hundred seventy-seven million, three hundred ninety-eight thousand, one hundred nine".