7117142880 has 96 divisors (see below), whose sum is σ = 23192114400. Its totient is φ = 1832456192.

The previous prime is 7117142869. The next prime is 7117142917. The reversal of 7117142880 is 882417117.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241725 + ... + 269564.

It is an arithmetic number, because the mean of its divisors is an integer number (241584525).

Almost surely, 2^7117142880 is an apocalyptic number.

It is an amenable number.

7117142880 is an abundant number, since it is smaller than the sum of its proper divisors (16074971520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7117142880 is a wasteful number, since it uses less digits than its factorization.

7117142880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511336 (or 511328 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 39.

The square root of 7117142880 is about 84363.1606804771. The cubic root of 7117142880 is about 1923.5429806771.

Adding to 7117142880 its reverse (882417117), we get a palindrome (7999559997).

The spelling of 7117142880 in words is "seven billion, one hundred seventeen million, one hundred forty-two thousand, eight hundred eighty".