7971058988 has 12 divisors (see below), whose sum is σ = 14059191552. Its totient is φ = 3954147120.

The previous prime is 7971058973. The next prime is 7971059003. The reversal of 7971058988 is 8898501797.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7971058973) and next prime (7971059003).

It is a self number, because there is not a number n which added to its sum of digits gives 7971058988.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7845023 + ... + 7846038.

It is an arithmetic number, because the mean of its divisors is an integer number (1171599296).

Almost surely, 2^7971058988 is an apocalyptic number.

It is an amenable number.

7971058988 is a deficient number, since it is larger than the sum of its proper divisors (6088132564).

7971058988 is a wasteful number, since it uses less digits than its factorization.

7971058988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15691192 (or 15691190 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 62.

The square root of 7971058988 is about 89280.7873397183. The cubic root of 7971058988 is about 1997.5853348694.

The spelling of 7971058988 in words is "seven billion, nine hundred seventy-one million, fifty-eight thousand, nine hundred eighty-eight".