7487839892 has 12 divisors (see below), whose sum is σ = 14111698356. Its totient is φ = 3455926080.

The previous prime is 7487839859. The next prime is 7487839927. The reversal of 7487839892 is 2989387847.

It can be written as a sum of positive squares in 2 ways, for example, as 2087941636 + 5399898256 = 45694^2 + 73484^2 .

It is a congruent number.

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, 71998409 + ... + 71998512.

It is an arithmetic number, because the mean of its divisors is an integer number (1175974863).

Almost surely, 2^7487839892 is an apocalyptic number.

It is an amenable number.

7487839892 is a deficient number, since it is larger than the sum of its proper divisors (6623858464).

7487839892 is a wasteful number, since it uses less digits than its factorization.

7487839892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143996938 (or 143996936 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 65.

The square root of 7487839892 is about 86532.3054818257. The cubic root of 7487839892 is about 1956.3753547017.

The spelling of 7487839892 in words is "seven billion, four hundred eighty-seven million, eight hundred thirty-nine thousand, eight hundred ninety-two".