352223618877 has 24 divisors (see below), whose sum is σ = 547976247000. Its totient is φ = 216724180608.

The previous prime is 352223618869. The next prime is 352223618881. The reversal of 352223618877 is 778816322253.

352223618877 is a `hidden beast` number, since 3 + 522 + 2 + 36 + 1 + 8 + 87 + 7 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 124972148196 + 227251470681 = 353514^2 + 476709^2 .

It is not a de Polignac number, because 352223618877 - 2³ = 352223618869 is a prime.

It is a super-2 number, since 2×352223618877² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352223618867) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 700999 + ... + 1093547.

It is an arithmetic number, because the mean of its divisors is an integer number (22832343625).

Almost surely, 2^352223618877 is an apocalyptic number.

It is an amenable number.

352223618877 is a deficient number, since it is larger than the sum of its proper divisors (195752628123).

352223618877 is a wasteful number, since it uses less digits than its factorization.

352223618877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400237 (or 400234 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The spelling of 352223618877 in words is "three hundred fifty-two billion, two hundred twenty-three million, six hundred eighteen thousand, eight hundred seventy-seven".