355818226087 has 4 divisors (see below), whose sum is σ = 368087820120. Its totient is φ = 343548632056.

The previous prime is 355818226051. The next prime is 355818226097. The reversal of 355818226087 is 780622818553.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 780622818553 = 2927 ⋅266697239.

It is a cyclic number.

It is not a de Polignac number, because 355818226087 - 2¹⁵ = 355818193319 is a prime.

It is a super-2 number, since 2×355818226087² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355818226097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6134796973 + ... + 6134797030.

It is an arithmetic number, because the mean of its divisors is an integer number (92021955030).

Almost surely, 2^355818226087 is an apocalyptic number.

355818226087 is a deficient number, since it is larger than the sum of its proper divisors (12269594033).

355818226087 is a wasteful number, since it uses less digits than its factorization.

355818226087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12269594032.

The product of its (nonzero) digits is 6451200, while the sum is 55.

The spelling of 355818226087 in words is "three hundred fifty-five billion, eight hundred eighteen million, two hundred twenty-six thousand, eighty-seven".