788551 has 4 divisors (see below), whose sum is σ = 790504. Its totient is φ = 786600.

The previous prime is 788549. The next prime is 788561. The reversal of 788551 is 155887.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 788551 - 2¹ = 788549 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 (788521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120 + ... + 1261.

It is an arithmetic number, because the mean of its divisors is an integer number (197626).

2⁷⁸⁸⁵⁵¹ is an apocalyptic number.

788551 is a deficient number, since it is larger than the sum of its proper divisors (1953).

788551 is a wasteful number, since it uses less digits than its factorization.

788551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952.

The product of its digits is 11200, while the sum is 34.

The square root of 788551 is about 888.0039414327. The cubic root of 788551 is about 92.3868008982.

The spelling of 788551 in words is "seven hundred eighty-eight thousand, five hundred fifty-one".