7992489924 has 36 divisors (see below), whose sum is σ = 20220865756. Its totient is φ = 2661838848.

The previous prime is 7992489913. The next prime is 7992489971. The reversal of 7992489924 is 4299842997.

It can be written as a sum of positive squares in 2 ways, for example, as 6697785600 + 1294704324 = 81840^2 + 35982^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 54769 + ... + 137784.

Almost surely, 2^7992489924 is an apocalyptic number.

It is an amenable number.

7992489924 is an abundant number, since it is smaller than the sum of its proper divisors (12228375832).

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

7992489924 is a wasteful number, since it uses less digits than its factorization.

7992489924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193716 (or 193711 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 63.

The square root of 7992489924 is about 89400.7266413422. The cubic root of 7992489924 is about 1999.3739643935.

The spelling of 7992489924 in words is "seven billion, nine hundred ninety-two million, four hundred eighty-nine thousand, nine hundred twenty-four".