852272377 has 4 divisors (see below), whose sum is σ = 929751696. Its totient is φ = 774793060.

The previous prime is 852272359. The next prime is 852272381. The reversal of 852272377 is 773272258.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 852272377 - 2⁷ = 852272249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (852272357) 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, 38739643 + ... + 38739664.

It is an arithmetic number, because the mean of its divisors is an integer number (232437924).

Almost surely, 2^852272377 is an apocalyptic number.

It is an amenable number.

852272377 is a deficient number, since it is larger than the sum of its proper divisors (77479319).

852272377 is a wasteful number, since it uses less digits than its factorization.

852272377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77479318.

The product of its digits is 329280, while the sum is 43.

The square root of 852272377 is about 29193.7044069436. The cubic root of 852272377 is about 948.1116235390. Note that the first 3 decimals are identical.

The spelling of 852272377 in words is "eight hundred fifty-two million, two hundred seventy-two thousand, three hundred seventy-seven".