852128374 has 4 divisors (see below), whose sum is σ = 1278192564. Its totient is φ = 426064186.

The previous prime is 852128369. The next prime is 852128393. The reversal of 852128374 is 473821258.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 473821258 = 2 ⋅236910629.

It is a super-2 number, since 2×852128374² = 1452245531551767752, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213032092 + ... + 213032095.

It is an arithmetic number, because the mean of its divisors is an integer number (319548141).

Almost surely, 2^852128374 is an apocalyptic number.

852128374 is a deficient number, since it is larger than the sum of its proper divisors (426064190).

852128374 is a wasteful number, since it uses less digits than its factorization.

852128374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426064189.

The product of its digits is 107520, while the sum is 40.

The square root of 852128374 is about 29191.2379662117. The cubic root of 852128374 is about 948.0582217502.

The spelling of 852128374 in words is "eight hundred fifty-two million, one hundred twenty-eight thousand, three hundred seventy-four".