852758247 has 32 divisors (see below), whose sum is σ = 1308119040. Its totient is φ = 488700000.

The previous prime is 852758227. The next prime is 852758297. The reversal of 852758247 is 742857258.

It is not a de Polignac number, because 852758247 - 2⁷ = 852758119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 852758196 and 852758205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (852758227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 469972 + ... + 471782.

It is an arithmetic number, because the mean of its divisors is an integer number (40878720).

Almost surely, 2^852758247 is an apocalyptic number.

852758247 is a deficient number, since it is larger than the sum of its proper divisors (455360793).

852758247 is a wasteful number, since it uses less digits than its factorization.

852758247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2595.

The product of its digits is 1254400, while the sum is 48.

The square root of 852758247 is about 29202.0247072014. The cubic root of 852758247 is about 948.2917582377.

The spelling of 852758247 in words is "eight hundred fifty-two million, seven hundred fifty-eight thousand, two hundred forty-seven".