355944775679 has 4 divisors (see below), whose sum is σ = 356001542400. Its totient is φ = 355888008960.

The previous prime is 355944775673. The next prime is 355944775751. The reversal of 355944775679 is 976577449553.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 355944775679 - 2²⁴ = 355927998463 is a prime.

It is a super-2 number, since 2×355944775679² (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 (355944775673) 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, 28373954 + ... + 28386495.

It is an arithmetic number, because the mean of its divisors is an integer number (89000385600).

Almost surely, 2^355944775679 is an apocalyptic number.

355944775679 is a deficient number, since it is larger than the sum of its proper divisors (56766721).

355944775679 is an equidigital number, since it uses as much as digits as its factorization.

355944775679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56766720.

The product of its digits is 1000188000, while the sum is 71.

The spelling of 355944775679 in words is "three hundred fifty-five billion, nine hundred forty-four million, seven hundred seventy-five thousand, six hundred seventy-nine".