355667889 has 4 divisors (see below), whose sum is σ = 474223856. Its totient is φ = 237111924.

The previous prime is 355667887. The next prime is 355667909. The reversal of 355667889 is 988766553.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 355667889 - 2¹ = 355667887 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (355667887) 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, 59277979 + ... + 59277984.

It is an arithmetic number, because the mean of its divisors is an integer number (118555964).

Almost surely, 2^355667889 is an apocalyptic number.

It is an amenable number.

355667889 is a deficient number, since it is larger than the sum of its proper divisors (118555967).

355667889 is a wasteful number, since it uses less digits than its factorization.

355667889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118555966.

The product of its digits is 10886400, while the sum is 57.

The square root of 355667889 is about 18859.1592866702. The cubic root of 355667889 is about 708.5136458268.

The spelling of 355667889 in words is "three hundred fifty-five million, six hundred sixty-seven thousand, eight hundred eighty-nine".