147804066778055 has 32 divisors (see below), whose sum is σ = 184702774737600. Its totient is φ = 113441430776832.

The previous prime is 147804066778051. The next prime is 147804066778091. The reversal of 147804066778055 is 550877660408741.

147804066778055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 147804066778055 - 2² = 147804066778051 is a prime.

It is a super-2 number, since 2×147804066778055² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147804066778051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49587341 + ... + 52483449.

It is an arithmetic number, because the mean of its divisors is an integer number (5771961710550).

Almost surely, 2^{147804066778055} is an apocalyptic number.

147804066778055 is a deficient number, since it is larger than the sum of its proper divisors (36898707959545).

147804066778055 is a wasteful number, since it uses less digits than its factorization.

147804066778055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2900003.

The product of its (nonzero) digits is 316108800, while the sum is 68.

The spelling of 147804066778055 in words is "one hundred forty-seven trillion, eight hundred four billion, sixty-six million, seven hundred seventy-eight thousand, fifty-five".