7853873445 has 54 divisors (see below), whose sum is σ = 14975937522. Its totient is φ = 3804768000.

The previous prime is 7853873437. The next prime is 7853873471. The reversal of 7853873445 is 5443783587.

It is a happy number.

7853873445 is a `hidden beast` number, since 78 + 53 + 87 + 3 + 445 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 1322485956 + 6531387489 = 36366^2 + 80817^2 .

It is not a de Polignac number, because 7853873445 - 2³ = 7853873437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7853873391 and 7853873400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 6538845 + ... + 6540045.

Almost surely, 2^7853873445 is an apocalyptic number.

It is an amenable number.

7853873445 is a deficient number, since it is larger than the sum of its proper divisors (7122064077).

7853873445 is a wasteful number, since it uses less digits than its factorization.

7853873445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2435 (or 1220 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 54.

The square root of 7853873445 is about 88622.0821522492. The cubic root of 7853873445 is about 1987.7478831681.

The spelling of 7853873445 in words is "seven billion, eight hundred fifty-three million, eight hundred seventy-three thousand, four hundred forty-five".