2667612997 has 8 divisors (see below), whose sum is σ = 3064498496. Its totient is φ = 2274676992.

The previous prime is 2667612989. The next prime is 2667613009. The reversal of 2667612997 is 7992167662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2667612997 - 2³ = 2667612989 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 (2667612947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 985923 + ... + 988624.

It is an arithmetic number, because the mean of its divisors is an integer number (383062312).

Almost surely, 2^2667612997 is an apocalyptic number.

It is an amenable number.

2667612997 is a deficient number, since it is larger than the sum of its proper divisors (396885499).

2667612997 is a wasteful number, since it uses less digits than its factorization.

2667612997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1974747.

The product of its digits is 3429216, while the sum is 55.

The square root of 2667612997 is about 51648.9399407190. The cubic root of 2667612997 is about 1386.8865665024.

The spelling of 2667612997 in words is "two billion, six hundred sixty-seven million, six hundred twelve thousand, nine hundred ninety-seven".