7117278892 has 6 divisors (see below), whose sum is σ = 12455238068. Its totient is φ = 3558639444.

The previous prime is 7117278877. The next prime is 7117278899. The reversal of 7117278892 is 2988727117.

It is not an unprimeable number, because it can be changed into a prime (7117278899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 889659858 + ... + 889659865.

Almost surely, 2^7117278892 is an apocalyptic number.

It is an amenable number.

7117278892 is a deficient number, since it is larger than the sum of its proper divisors (5337959176).

7117278892 is a wasteful number, since it uses less digits than its factorization.

7117278892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779319727 (or 1779319725 counting only the distinct ones).

The product of its digits is 790272, while the sum is 52.

The square root of 7117278892 is about 84363.9667867746. The cubic root of 7117278892 is about 1923.5552338741. Note that the first 3 decimals are identical.

The spelling of 7117278892 in words is "seven billion, one hundred seventeen million, two hundred seventy-eight thousand, eight hundred ninety-two".