7857000104 has 16 divisors (see below), whose sum is σ = 14734274100. Its totient is φ = 3927860352.

The previous prime is 7857000103. The next prime is 7857000121. The reversal of 7857000104 is 4010007587.

It can be written as a sum of positive squares in 2 ways, for example, as 7309908004 + 547092100 = 85498^2 + 23390^2 .

It is not an unprimeable number, because it can be changed into a prime (7857000101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25589 + ... + 127940.

Almost surely, 2^7857000104 is an apocalyptic number.

It is an amenable number.

7857000104 is a deficient number, since it is larger than the sum of its proper divisors (6877273996).

7857000104 is a wasteful number, since it uses less digits than its factorization.

7857000104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159932 (or 159928 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 7857000104 is about 88639.7208028094. The cubic root of 7857000104 is about 1988.0116250145.

The spelling of 7857000104 in words is "seven billion, eight hundred fifty-seven million, one hundred four", and thus it is an aban number.