787056 has 40 divisors (see below), whose sum is σ = 2142720. Its totient is φ = 248256.

The previous prime is 787051. The next prime is 787057. The reversal of 787056 is 650787.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 787056.

It is not an unprimeable number, because it can be changed into a prime (787051) by changing a digit.

787056 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481 + ... + 1343.

It is an arithmetic number, because the mean of its divisors is an integer number (53568).

2⁷⁸⁷⁰⁵⁶ is an apocalyptic number.

787056 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 787056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1071360).

787056 is an abundant number, since it is smaller than the sum of its proper divisors (1355664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

787056 is a wasteful number, since it uses less digits than its factorization.

787056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893 (or 887 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 787056 is about 887.1617665342. The cubic root of 787056 is about 92.3283791243.

The spelling of 787056 in words is "seven hundred eighty-seven thousand, fifty-six".