853880387 has 8 divisors (see below), whose sum is σ = 904776960. Its totient is φ = 803579400.

The previous prime is 853880383. The next prime is 853880407. The reversal of 853880387 is 783088358.

853880387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 853880387 - 2² = 853880383 is a prime.

It is a super-2 number, since 2×853880387² = 1458223430606539538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (853880381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145943 + ... + 151680.

It is an arithmetic number, because the mean of its divisors is an integer number (113097120).

Almost surely, 2^853880387 is an apocalyptic number.

853880387 is a deficient number, since it is larger than the sum of its proper divisors (50896573).

853880387 is a wasteful number, since it uses less digits than its factorization.

853880387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297793.

The product of its (nonzero) digits is 1290240, while the sum is 50.

The square root of 853880387 is about 29221.2317844406. The cubic root of 853880387 is about 948.7075266001.

The spelling of 853880387 in words is "eight hundred fifty-three million, eight hundred eighty thousand, three hundred eighty-seven".