7071878016 has 160 divisors (see below), whose sum is σ = 24052583280. Its totient is φ = 2020515840.

The previous prime is 7071878003. The next prime is 7071878017. The reversal of 7071878016 is 6108781707.

It is a happy number.

It is a super-2 number, since 2×7071878016² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7071878017) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23856 + ... + 121296.

Almost surely, 2^7071878016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7071878016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12026291640).

7071878016 is an abundant number, since it is smaller than the sum of its proper divisors (16980705264).

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

7071878016 is an equidigital number, since it uses as much as digits as its factorization.

7071878016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97474 (or 97453 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 45.

The square root of 7071878016 is about 84094.4588899887. The cubic root of 7071878016 is about 1919.4564086127.

The spelling of 7071878016 in words is "seven billion, seventy-one million, eight hundred seventy-eight thousand, sixteen".