4008492687 has 4 divisors (see below), whose sum is σ = 5344656920. Its totient is φ = 2672328456.

The previous prime is 4008492673. The next prime is 4008492689. The reversal of 4008492687 is 7862948004.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4008492687 - 2¹⁵ = 4008459919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4008492689) 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, 668082112 + ... + 668082117.

It is an arithmetic number, because the mean of its divisors is an integer number (1336164230).

Almost surely, 2^4008492687 is an apocalyptic number.

4008492687 is a deficient number, since it is larger than the sum of its proper divisors (1336164233).

4008492687 is a wasteful number, since it uses less digits than its factorization.

4008492687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336164232.

The product of its (nonzero) digits is 774144, while the sum is 48.

The square root of 4008492687 is about 63312.6581893384. The cubic root of 4008492687 is about 1588.5236995080.

The spelling of 4008492687 in words is "four billion, eight million, four hundred ninety-two thousand, six hundred eighty-seven".