787612 has 24 divisors (see below), whose sum is σ = 1645056. Its totient is φ = 322608.

The previous prime is 787609. The next prime is 787621. The reversal of 787612 is 216787.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 33 + ... + 1255.

It is an arithmetic number, because the mean of its divisors is an integer number (68544).

2⁷⁸⁷⁶¹² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 787612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (822528).

787612 is an abundant number, since it is smaller than the sum of its proper divisors (857444).

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

787612 is a wasteful number, since it uses less digits than its factorization.

787612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257 (or 1255 counting only the distinct ones).

The product of its digits is 4704, while the sum is 31.

The square root of 787612 is about 887.4750700724. The cubic root of 787612 is about 92.3501151869.

The spelling of 787612 in words is "seven hundred eighty-seven thousand, six hundred twelve".