4087681197 has 4 divisors (see below), whose sum is σ = 5450241600. Its totient is φ = 2725120796.

The previous prime is 4087681177. The next prime is 4087681217. The reversal of 4087681197 is 7911867804.

4087681197 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (4087681177) and next prime (4087681217).

It is a cyclic number.

It is not a de Polignac number, because 4087681197 - 2⁷ = 4087681069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4087681177) 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, 681280197 + ... + 681280202.

It is an arithmetic number, because the mean of its divisors is an integer number (1362560400).

Almost surely, 2^4087681197 is an apocalyptic number.

It is an amenable number.

4087681197 is a deficient number, since it is larger than the sum of its proper divisors (1362560403).

4087681197 is a wasteful number, since it uses less digits than its factorization.

4087681197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362560402.

The product of its (nonzero) digits is 677376, while the sum is 51.

The square root of 4087681197 is about 63934.9763196953. The cubic root of 4087681197 is about 1598.9160884016.

It can be divided in two parts, 408768 and 1197, that added together give a triangular number (409965 = T₉₀₅).

The spelling of 4087681197 in words is "four billion, eighty-seven million, six hundred eighty-one thousand, one hundred ninety-seven".