4087672857 has 14 divisors (see below), whose sum is σ = 6128706762. Its totient is φ = 2725114752.

The previous prime is 4087672801. The next prime is 4087672867. The reversal of 4087672857 is 7582767804.

It is a happy number.

4087672857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3635004681 + 452668176 = 60291^2 + 21276^2 .

It is not a de Polignac number, because 4087672857 - 2⁶ = 4087672793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4087672867) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 2802888 + ... + 2804345.

Almost surely, 2^4087672857 is an apocalyptic number.

It is an amenable number.

4087672857 is a deficient number, since it is larger than the sum of its proper divisors (2041033905).

4087672857 is an frugal number, since it uses more digits than its factorization.

4087672857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5607251 (or 5607236 counting only the distinct ones).

The product of its (nonzero) digits is 5268480, while the sum is 54.

The square root of 4087672857 is about 63934.9110971463. The cubic root of 4087672857 is about 1598.9150009906.

The spelling of 4087672857 in words is "four billion, eighty-seven million, six hundred seventy-two thousand, eight hundred fifty-seven".