2097407178 has 24 divisors (see below), whose sum is σ = 4599137088. Its totient is φ = 690711912.

The previous prime is 2097407177. The next prime is 2097407183. The reversal of 2097407178 is 8717047902.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2097407171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 700450 + ... + 703437.

It is an arithmetic number, because the mean of its divisors is an integer number (191630712).

Almost surely, 2^2097407178 is an apocalyptic number.

2097407178 is an abundant number, since it is smaller than the sum of its proper divisors (2501729910).

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

2097407178 is a wasteful number, since it uses less digits than its factorization.

2097407178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403978 (or 1403975 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 45.

The square root of 2097407178 is about 45797.4582045772. The cubic root of 2097407178 is about 1280.0519139915.

The spelling of 2097407178 in words is "two billion, ninety-seven million, four hundred seven thousand, one hundred seventy-eight".