7852423437 has 12 divisors (see below), whose sum is σ = 12009589020. Its totient is φ = 4927010688.

The previous prime is 7852423421. The next prime is 7852423441. The reversal of 7852423437 is 7343242587.

7852423437 is a `hidden beast` number, since 78 + 524 + 23 + 4 + 37 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6525569961 + 1326853476 = 80781^2 + 36426^2 .

It is not a de Polignac number, because 7852423437 - 2⁴ = 7852423421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7852423392 and 7852423401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7852423477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25661362 + ... + 25661667.

It is an arithmetic number, because the mean of its divisors is an integer number (1000799085).

Almost surely, 2^7852423437 is an apocalyptic number.

It is an amenable number.

7852423437 is a deficient number, since it is larger than the sum of its proper divisors (4157165583).

7852423437 is a wasteful number, since it uses less digits than its factorization.

7852423437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51323052 (or 51323049 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 45.

The square root of 7852423437 is about 88613.9009241778. The cubic root of 7852423437 is about 1987.6255474507.

The spelling of 7852423437 in words is "seven billion, eight hundred fifty-two million, four hundred twenty-three thousand, four hundred thirty-seven".