7870743538 has 32 divisors (see below), whose sum is σ = 14291973504. Its totient is φ = 3173513472.

The previous prime is 7870743523. The next prime is 7870743539. The reversal of 7870743538 is 8353470787.

It is not an unprimeable number, because it can be changed into a prime (7870743539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 832345 + ... + 841747.

It is an arithmetic number, because the mean of its divisors is an integer number (446624172).

Almost surely, 2^7870743538 is an apocalyptic number.

7870743538 is a deficient number, since it is larger than the sum of its proper divisors (6421229966).

7870743538 is a wasteful number, since it uses less digits than its factorization.

7870743538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12946.

The product of its (nonzero) digits is 3951360, while the sum is 52.

The square root of 7870743538 is about 88717.2110585088. The cubic root of 7870743538 is about 1989.1700905479.

The spelling of 7870743538 in words is "seven billion, eight hundred seventy million, seven hundred forty-three thousand, five hundred thirty-eight".