2097678078 has 12 divisors (see below), whose sum is σ = 4544969208. Its totient is φ = 699226020.

The previous prime is 2097678067. The next prime is 2097678091. The reversal of 2097678078 is 8708767902.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58268818 + ... + 58268853.

It is an arithmetic number, because the mean of its divisors is an integer number (378747434).

Almost surely, 2^2097678078 is an apocalyptic number.

2097678078 is an abundant number, since it is smaller than the sum of its proper divisors (2447291130).

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

2097678078 is a wasteful number, since it uses less digits than its factorization.

2097678078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116537679 (or 116537676 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 54.

The square root of 2097678078 is about 45800.4156968035. The cubic root of 2097678078 is about 1280.1070218947.

The spelling of 2097678078 in words is "two billion, ninety-seven million, six hundred seventy-eight thousand, seventy-eight".