7859131038 has 48 divisors (see below), whose sum is σ = 18971387136. Its totient is φ = 2330880720.

The previous prime is 7859131037. The next prime is 7859131069. The reversal of 7859131038 is 8301319587.

It is a junction number, because it is equal to n+sod(n) for n = 7859130984 and 7859131002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7859131037) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 412956 + ... + 431567.

It is an arithmetic number, because the mean of its divisors is an integer number (395237232).

Almost surely, 2^7859131038 is an apocalyptic number.

7859131038 is an abundant number, since it is smaller than the sum of its proper divisors (11112256098).

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

7859131038 is a wasteful number, since it uses less digits than its factorization.

7859131038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844589 (or 844586 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 7859131038 is about 88651.7401859659. The cubic root of 7859131038 is about 1988.1913347672.

The spelling of 7859131038 in words is "seven billion, eight hundred fifty-nine million, one hundred thirty-one thousand, thirty-eight".