7117878082 has 12 divisors (see below), whose sum is σ = 12419971110. Its totient is φ = 3050519136.

The previous prime is 7117878077. The next prime is 7117878091. The reversal of 7117878082 is 2808787117.

It can be written as a sum of positive squares in only one way, i.e., 4603758201 + 2514119881 = 67851^2 + 50141^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36315607 + ... + 36315802.

Almost surely, 2^7117878082 is an apocalyptic number.

7117878082 is a deficient number, since it is larger than the sum of its proper divisors (5302093028).

7117878082 is a wasteful number, since it uses less digits than its factorization.

7117878082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72631425 (or 72631418 counting only the distinct ones).

The product of its (nonzero) digits is 351232, while the sum is 49.

The square root of 7117878082 is about 84367.5179319624. The cubic root of 7117878082 is about 1923.6092124960.

The spelling of 7117878082 in words is "seven billion, one hundred seventeen million, eight hundred seventy-eight thousand, eighty-two".