7970861940 has 48 divisors (see below), whose sum is σ = 22373050560. Its totient is φ = 2120359680.

The previous prime is 7970861909. The next prime is 7970861971. The reversal of 7970861940 is 491680797.

It is an interprime number because it is at equal distance from previous prime (7970861909) and next prime (7970861971).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137866 + ... + 186945.

It is an arithmetic number, because the mean of its divisors is an integer number (466105220).

Almost surely, 2^7970861940 is an apocalyptic number.

It is an amenable number.

7970861940 is an abundant number, since it is smaller than the sum of its proper divisors (14402188620).

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

7970861940 is a wasteful number, since it uses less digits than its factorization.

7970861940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325232 (or 325230 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 51.

The square root of 7970861940 is about 89279.6838032035. The cubic root of 7970861940 is about 1997.5688743448.

The spelling of 7970861940 in words is "seven billion, nine hundred seventy million, eight hundred sixty-one thousand, nine hundred forty".