2104565078 has 64 divisors (see below), whose sum is σ = 3997486080. Its totient is φ = 807216000.

The previous prime is 2104565053. The next prime is 2104565081. The reversal of 2104565078 is 8705654012.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4183775 + ... + 4184277.

It is an arithmetic number, because the mean of its divisors is an integer number (62460720).

Almost surely, 2^2104565078 is an apocalyptic number.

2104565078 is a deficient number, since it is larger than the sum of its proper divisors (1892921002).

2104565078 is a wasteful number, since it uses less digits than its factorization.

2104565078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 2104565078 is about 45875.5389941088. The cubic root of 2104565078 is about 1281.5064209907.

The spelling of 2104565078 in words is "two billion, one hundred four million, five hundred sixty-five thousand, seventy-eight".