2097995478 has 16 divisors (see below), whose sum is σ = 4198365696. Its totient is φ = 698936040.

The previous prime is 2097995467. The next prime is 2097995479. The reversal of 2097995478 is 8745997902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2097995479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87358 + ... + 108753.

It is an arithmetic number, because the mean of its divisors is an integer number (262397856).

Almost surely, 2^2097995478 is an apocalyptic number.

2097995478 is an abundant number, since it is smaller than the sum of its proper divisors (2100370218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2097995478 is a wasteful number, since it uses less digits than its factorization.

2097995478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197899.

The product of its (nonzero) digits is 11430720, while the sum is 60.

The square root of 2097995478 is about 45803.8805997920. The cubic root of 2097995478 is about 1280.1715830368.

The spelling of 2097995478 in words is "two billion, ninety-seven million, nine hundred ninety-five thousand, four hundred seventy-eight".