655788567 has 16 divisors (see below), whose sum is σ = 999837440. Its totient is φ = 374533632.

The previous prime is 655788547. The next prime is 655788569. The reversal of 655788567 is 765887556.

It is not a de Polignac number, because 655788567 - 2¹⁵ = 655755799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655788569) 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, 36984 + ... + 51762.

It is an arithmetic number, because the mean of its divisors is an integer number (62489840).

Almost surely, 2^655788567 is an apocalyptic number.

655788567 is a deficient number, since it is larger than the sum of its proper divisors (344048873).

655788567 is a wasteful number, since it uses less digits than its factorization.

655788567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16902.

The product of its digits is 14112000, while the sum is 57.

The square root of 655788567 is about 25608.3690812203. The cubic root of 655788567 is about 868.8029368429.

The spelling of 655788567 in words is "six hundred fifty-five million, seven hundred eighty-eight thousand, five hundred sixty-seven".