1355622887 has 8 divisors (see below), whose sum is σ = 1428000000. Its totient is φ = 1283348664.

The previous prime is 1355622869. The next prime is 1355622899. The reversal of 1355622887 is 7882265531.

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 1355622887 - 2²⁴ = 1338845671 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 (1355622187) 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, 2114 + ... + 52112.

It is an arithmetic number, because the mean of its divisors is an integer number (178500000).

Almost surely, 2^1355622887 is an apocalyptic number.

1355622887 is a deficient number, since it is larger than the sum of its proper divisors (72377113).

1355622887 is a wasteful number, since it uses less digits than its factorization.

1355622887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51445.

The product of its digits is 806400, while the sum is 47.

The square root of 1355622887 is about 36818.7844313198. The cubic root of 1355622887 is about 1106.7417606520.

The spelling of 1355622887 in words is "one billion, three hundred fifty-five million, six hundred twenty-two thousand, eight hundred eighty-seven".