787055 has 4 divisors (see below), whose sum is σ = 944472. Its totient is φ = 629640.

The previous prime is 787051. The next prime is 787057. The reversal of 787055 is 550787.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 550787 = 43 ⋅12809.

It is not a de Polignac number, because 787055 - 2² = 787051 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 (787051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78701 + ... + 78710.

It is an arithmetic number, because the mean of its divisors is an integer number (236118).

2⁷⁸⁷⁰⁵⁵ is an apocalyptic number.

787055 is a deficient number, since it is larger than the sum of its proper divisors (157417).

787055 is a wasteful number, since it uses less digits than its factorization.

787055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157416.

The product of its (nonzero) digits is 9800, while the sum is 32.

The square root of 787055 is about 887.1612029389. The cubic root of 787055 is about 92.3283400214.

The spelling of 787055 in words is "seven hundred eighty-seven thousand, fifty-five".