7857140100 has 36 divisors (see below), whose sum is σ = 22733326224. Its totient is φ = 2095237280.

The previous prime is 7857140099. The next prime is 7857140107. The reversal of 7857140100 is 10417587.

It is not an unprimeable number, because it can be changed into a prime (7857140107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13094934 + ... + 13095533.

It is an arithmetic number, because the mean of its divisors is an integer number (631481284).

Almost surely, 2^7857140100 is an apocalyptic number.

It is an amenable number.

7857140100 is an abundant number, since it is smaller than the sum of its proper divisors (14876186124).

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

7857140100 is a wasteful number, since it uses less digits than its factorization.

7857140100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26190484 (or 26190477 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 33.

The square root of 7857140100 is about 88640.5104904073. The cubic root of 7857140100 is about 1988.0234324057.

Adding to 7857140100 its reverse (10417587), we get a palindrome (7867557687).

The spelling of 7857140100 in words is "seven billion, eight hundred fifty-seven million, one hundred forty thousand, one hundred".