355397697867 has 16 divisors (see below), whose sum is σ = 500310773120. Its totient is φ = 223783560000.

The previous prime is 355397697859. The next prime is 355397697887. The reversal of 355397697867 is 768796793553.

It is not a de Polignac number, because 355397697867 - 2³ = 355397697859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (355397697887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9399634 + ... + 9437367.

It is an arithmetic number, because the mean of its divisors is an integer number (31269423320).

Almost surely, 2^355397697867 is an apocalyptic number.

355397697867 is a deficient number, since it is larger than the sum of its proper divisors (144913075253).

355397697867 is a wasteful number, since it uses less digits than its factorization.

355397697867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18837354.

The product of its digits is 1800338400, while the sum is 75.

The spelling of 355397697867 in words is "three hundred fifty-five billion, three hundred ninety-seven million, six hundred ninety-seven thousand, eight hundred sixty-seven".