7852259749 has 4 divisors (see below), whose sum is σ = 7854255136. Its totient is φ = 7850264364.

The previous prime is 7852259743. The next prime is 7852259773. The reversal of 7852259749 is 9479522587.

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 7852259749 - 2³ = 7852259741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7852259693 and 7852259702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7852259741) 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, 991779 + ... + 999664.

It is an arithmetic number, because the mean of its divisors is an integer number (1963563784).

Almost surely, 2^7852259749 is an apocalyptic number.

It is an amenable number.

7852259749 is a deficient number, since it is larger than the sum of its proper divisors (1995387).

7852259749 is a wasteful number, since it uses less digits than its factorization.

7852259749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995386.

The product of its digits is 12700800, while the sum is 58.

The square root of 7852259749 is about 88612.9773170950. The cubic root of 7852259749 is about 1987.6117363127.

The spelling of 7852259749 in words is "seven billion, eight hundred fifty-two million, two hundred fifty-nine thousand, seven hundred forty-nine".