385079287 has 4 divisors (see below), whose sum is σ = 385173360. Its totient is φ = 384985216.

The previous prime is 385079273. The next prime is 385079297. The reversal of 385079287 is 782970583.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-385079287 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 385079287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385079207) 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, 40603 + ... + 49180.

It is an arithmetic number, because the mean of its divisors is an integer number (96293340).

Almost surely, 2^385079287 is an apocalyptic number.

385079287 is a deficient number, since it is larger than the sum of its proper divisors (94073).

385079287 is an equidigital number, since it uses as much as digits as its factorization.

385079287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94072.

The product of its (nonzero) digits is 846720, while the sum is 49.

The square root of 385079287 is about 19623.4371861812. The cubic root of 385079287 is about 727.5285704977.

The spelling of 385079287 in words is "three hundred eighty-five million, seventy-nine thousand, two hundred eighty-seven".