7075977128 has 64 divisors (see below), whose sum is σ = 14884974720. Its totient is φ = 3125555200.

The previous prime is 7075977113. The next prime is 7075977143. The reversal of 7075977128 is 8217795707.

It is an interprime number because it is at equal distance from previous prime (7075977113) and next prime (7075977143).

It is a self number, because there is not a number n which added to its sum of digits gives 7075977128.

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, 945176 + ... + 952632.

It is an arithmetic number, because the mean of its divisors is an integer number (232577730).

Almost surely, 2^7075977128 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 7075977128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7442487360).

7075977128 is an abundant number, since it is smaller than the sum of its proper divisors (7808997592).

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

7075977128 is a wasteful number, since it uses less digits than its factorization.

7075977128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7778 (or 7774 counting only the distinct ones).

The product of its (nonzero) digits is 1728720, while the sum is 53.

The square root of 7075977128 is about 84118.8274288224. The cubic root of 7075977128 is about 1919.8271987133.

The spelling of 7075977128 in words is "seven billion, seventy-five million, nine hundred seventy-seven thousand, one hundred twenty-eight".