2601855078 has 8 divisors (see below), whose sum is σ = 5203710168. Its totient is φ = 867285024.

The previous prime is 2601855077. The next prime is 2601855107. The reversal of 2601855078 is 8705581062.

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

2601855078 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2601855073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216821251 + ... + 216821262.

It is an arithmetic number, because the mean of its divisors is an integer number (650463771).

Almost surely, 2^2601855078 is an apocalyptic number.

2601855078 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2601855078 is a wasteful number, since it uses less digits than its factorization.

2601855078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433642518.

The product of its (nonzero) digits is 134400, while the sum is 42.

The square root of 2601855078 is about 51008.3824287734. The cubic root of 2601855078 is about 1375.3958226603.

The spelling of 2601855078 in words is "two billion, six hundred one million, eight hundred fifty-five thousand, seventy-eight".