7918832845 has 32 divisors (see below), whose sum is σ = 12024262656. Its totient is φ = 4862721600.

The previous prime is 7918832843. The next prime is 7918832861. The reversal of 7918832845 is 5482388197.

It is not a de Polignac number, because 7918832845 - 2¹ = 7918832843 is a prime.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7918832843) 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, 127701 + ... + 179290.

It is an arithmetic number, because the mean of its divisors is an integer number (375758208).

Almost surely, 2^7918832845 is an apocalyptic number.

It is an amenable number.

7918832845 is a deficient number, since it is larger than the sum of its proper divisors (4105429811).

7918832845 is a wasteful number, since it uses less digits than its factorization.

7918832845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307081.

The product of its digits is 3870720, while the sum is 55.

The square root of 7918832845 is about 88987.8241390360. The cubic root of 7918832845 is about 1993.2130652268.

The spelling of 7918832845 in words is "seven billion, nine hundred eighteen million, eight hundred thirty-two thousand, eight hundred forty-five".