355371866887 has 8 divisors (see below), whose sum is σ = 365222675216. Its totient is φ = 345534014592.

The previous prime is 355371866807. The next prime is 355371866891. The reversal of 355371866887 is 788668173553.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 355371866887 - 2³⁵ = 321012128519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355371866807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3183378 + ... + 3293119.

It is an arithmetic number, because the mean of its divisors is an integer number (45652834402).

Almost surely, 2^355371866887 is an apocalyptic number.

355371866887 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

355371866887 is a deficient number, since it is larger than the sum of its proper divisors (9850808329).

355371866887 is a wasteful number, since it uses less digits than its factorization.

355371866887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6478017.

The product of its digits is 203212800, while the sum is 67.

The spelling of 355371866887 in words is "three hundred fifty-five billion, three hundred seventy-one million, eight hundred sixty-six thousand, eight hundred eighty-seven".