2097264178 has 4 divisors (see below), whose sum is σ = 3145896270. Its totient is φ = 1048632088.

The previous prime is 2097264163. The next prime is 2097264193. The reversal of 2097264178 is 8714627902.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8714627902 = 2 ⋅4357313951.

It is an interprime number because it is at equal distance from previous prime (2097264163) and next prime (2097264193).

It can be written as a sum of positive squares in only one way, i.e., 1181778129 + 915486049 = 34377^2 + 30257^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 524316043 + ... + 524316046.

Almost surely, 2^2097264178 is an apocalyptic number.

2097264178 is a deficient number, since it is larger than the sum of its proper divisors (1048632092).

2097264178 is a wasteful number, since it uses less digits than its factorization.

2097264178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048632091.

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 2097264178 is about 45795.8969559501. The cubic root of 2097264178 is about 1280.0228222656.

The spelling of 2097264178 in words is "two billion, ninety-seven million, two hundred sixty-four thousand, one hundred seventy-eight".