7849820159 has 16 divisors (see below), whose sum is σ = 8474365152. Its totient is φ = 7244540928.

The previous prime is 7849820123. The next prime is 7849820219. The reversal of 7849820159 is 9510289487.

It is a cyclic number.

It is not a de Polignac number, because 7849820159 - 2²⁰ = 7848771583 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7849820159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7849820119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196412 + ... + 232974.

It is an arithmetic number, because the mean of its divisors is an integer number (529647822).

Almost surely, 2^7849820159 is an apocalyptic number.

7849820159 is a deficient number, since it is larger than the sum of its proper divisors (624544993).

7849820159 is a wasteful number, since it uses less digits than its factorization.

7849820159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36826.

The product of its (nonzero) digits is 1451520, while the sum is 53.

The square root of 7849820159 is about 88599.2108260565. The cubic root of 7849820159 is about 1987.4058737064.

The spelling of 7849820159 in words is "seven billion, eight hundred forty-nine million, eight hundred twenty thousand, one hundred fifty-nine".