7899194880 has 120 divisors (see below), whose sum is σ = 27357213312. Its totient is φ = 2106445824.

The previous prime is 7899194869. The next prime is 7899194921. The reversal of 7899194880 is 884919987.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148384 + ... + 194463.

Almost surely, 2^7899194880 is an apocalyptic number.

It is an amenable number.

7899194880 is an abundant number, since it is smaller than the sum of its proper divisors (19458018432).

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

7899194880 is a wasteful number, since it uses less digits than its factorization.

7899194880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342876 (or 342857 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 63.

The square root of 7899194880 is about 88877.4149039001. The cubic root of 7899194880 is about 1991.5640406574.

The spelling of 7899194880 in words is "seven billion, eight hundred ninety-nine million, one hundred ninety-four thousand, eight hundred eighty".