2089772387 has 16 divisors (see below), whose sum is σ = 2217300480. Its totient is φ = 1965471552.

The previous prime is 2089772383. The next prime is 2089772417. The reversal of 2089772387 is 7832779802.

It is a cyclic number.

It is not a de Polignac number, because 2089772387 - 2² = 2089772383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2089772383) 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, 601028 + ... + 604494.

It is an arithmetic number, because the mean of its divisors is an integer number (138581280).

Almost surely, 2^2089772387 is an apocalyptic number.

2089772387 is a deficient number, since it is larger than the sum of its proper divisors (127528093).

2089772387 is a wasteful number, since it uses less digits than its factorization.

2089772387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3922.

The product of its (nonzero) digits is 2370816, while the sum is 53.

The square root of 2089772387 is about 45714.0283392308. The cubic root of 2089772387 is about 1278.4968493781.

The spelling of 2089772387 in words is "two billion, eighty-nine million, seven hundred seventy-two thousand, three hundred eighty-seven".