7923969880 has 16 divisors (see below), whose sum is σ = 17828932320. Its totient is φ = 3169587936.

The previous prime is 7923969877. The next prime is 7923969917. The reversal of 7923969880 is 889693297.

It is a happy number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 99049584 + ... + 99049663.

It is an arithmetic number, because the mean of its divisors is an integer number (1114308270).

Almost surely, 2^7923969880 is an apocalyptic number.

It is an amenable number.

7923969880 is an abundant number, since it is smaller than the sum of its proper divisors (9904962440).

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

7923969880 is a wasteful number, since it uses less digits than its factorization.

7923969880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198099258 (or 198099254 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 61.

The square root of 7923969880 is about 89016.6831554625. The cubic root of 7923969880 is about 1993.6439785605.

The spelling of 7923969880 in words is "seven billion, nine hundred twenty-three million, nine hundred sixty-nine thousand, eight hundred eighty".