2081435078 has 8 divisors (see below), whose sum is σ = 3128565072. Its totient is φ = 1038580056.

The previous prime is 2081435063. The next prime is 2081435089. The reversal of 2081435078 is 8705341802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1067525 + ... + 1069472.

It is an arithmetic number, because the mean of its divisors is an integer number (391070634).

Almost surely, 2^2081435078 is an apocalyptic number.

2081435078 is a deficient number, since it is larger than the sum of its proper divisors (1047129994).

2081435078 is a wasteful number, since it uses less digits than its factorization.

2081435078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2137486.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 2081435078 is about 45622.7473745280. The cubic root of 2081435078 is about 1276.7943625230.

The spelling of 2081435078 in words is "two billion, eighty-one million, four hundred thirty-five thousand, seventy-eight".