2002118767 has 4 divisors (see below), whose sum is σ = 2184129576. Its totient is φ = 1820107960.

The previous prime is 2002118761. The next prime is 2002118773. The reversal of 2002118767 is 7678112002.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (2002118761) and next prime (2002118773).

It is not a de Polignac number, because 2002118767 - 2¹⁹ = 2001594479 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 (2002118761) 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, 91005388 + ... + 91005409.

It is an arithmetic number, because the mean of its divisors is an integer number (546032394).

Almost surely, 2^2002118767 is an apocalyptic number.

2002118767 is a deficient number, since it is larger than the sum of its proper divisors (182010809).

2002118767 is a wasteful number, since it uses less digits than its factorization.

2002118767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182010808.

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 2002118767 is about 44745.0418147084. The cubic root of 2002118767 is about 1260.3658060666.

The spelling of 2002118767 in words is "two billion, two million, one hundred eighteen thousand, seven hundred sixty-seven".