4087772109 has 16 divisors (see below), whose sum is σ = 6068620800. Its totient is φ = 2719483488.

The previous prime is 4087772093. The next prime is 4087772113. The reversal of 4087772109 is 9012777804.

It is a happy number.

4087772109 is a `hidden beast` number, since 408 + 77 + 72 + 109 = 666.

It is not a de Polignac number, because 4087772109 - 2⁴ = 4087772093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4087772149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145104 + ... + 170969.

It is an arithmetic number, because the mean of its divisors is an integer number (379288800).

Almost surely, 2^4087772109 is an apocalyptic number.

It is an amenable number.

4087772109 is a deficient number, since it is larger than the sum of its proper divisors (1980848691).

4087772109 is a wasteful number, since it uses less digits than its factorization.

4087772109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316561 (or 316555 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 45.

The square root of 4087772109 is about 63935.6872880866. The cubic root of 4087772109 is about 1598.9279418686.

The spelling of 4087772109 in words is "four billion, eighty-seven million, seven hundred seventy-two thousand, one hundred nine".