2079889397 has 16 divisors (see below), whose sum is σ = 2206757760. Its totient is φ = 1954824192.

The previous prime is 2079889391. The next prime is 2079889421. The reversal of 2079889397 is 7939889702.

It is a cyclic number.

It is not a de Polignac number, because 2079889397 - 2¹⁶ = 2079823861 is a prime.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2079889391) 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, 2115368 + ... + 2116350.

It is an arithmetic number, because the mean of its divisors is an integer number (137922360).

Almost surely, 2^2079889397 is an apocalyptic number.

It is an amenable number.

2079889397 is a deficient number, since it is larger than the sum of its proper divisors (126868363).

2079889397 is a wasteful number, since it uses less digits than its factorization.

2079889397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772.

The product of its (nonzero) digits is 13716864, while the sum is 62.

The square root of 2079889397 is about 45605.8044222443. The cubic root of 2079889397 is about 1276.4782335978.

The spelling of 2079889397 in words is "two billion, seventy-nine million, eight hundred eighty-nine thousand, three hundred ninety-seven".