4087722172 has 12 divisors (see below), whose sum is σ = 7167853000. Its totient is φ = 2039764176.

The previous prime is 4087722167. The next prime is 4087722209. The reversal of 4087722172 is 2712277804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1021983 + ... + 1025974.

Almost surely, 2^4087722172 is an apocalyptic number.

It is an amenable number.

4087722172 is a deficient number, since it is larger than the sum of its proper divisors (3080130828).

4087722172 is a wasteful number, since it uses less digits than its factorization.

4087722172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2048460 (or 2048458 counting only the distinct ones).

The product of its (nonzero) digits is 87808, while the sum is 40.

The square root of 4087722172 is about 63935.2967616480. The cubic root of 4087722172 is about 1598.9214309063.

Adding to 4087722172 its reverse (2712277804), we get a palindrome (6799999976).

The spelling of 4087722172 in words is "four billion, eighty-seven million, seven hundred twenty-two thousand, one hundred seventy-two".