787628 has 6 divisors (see below), whose sum is σ = 1378356. Its totient is φ = 393812.

The previous prime is 787621. The next prime is 787639. The reversal of 787628 is 826787.

It is a junction number, because it is equal to n+sod(n) for n = 787591 and 787600.

It is not an unprimeable number, because it can be changed into a prime (787621) 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 as a sum of consecutive naturals, namely, 98450 + ... + 98457.

It is an arithmetic number, because the mean of its divisors is an integer number (229726).

2⁷⁸⁷⁶²⁸ is an apocalyptic number.

It is an amenable number.

787628 is a deficient number, since it is larger than the sum of its proper divisors (590728).

787628 is a wasteful number, since it uses less digits than its factorization.

787628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196911 (or 196909 counting only the distinct ones).

The product of its digits is 37632, while the sum is 38.

The square root of 787628 is about 887.4840843643. The cubic root of 787628 is about 92.3507405336.

The spelling of 787628 in words is "seven hundred eighty-seven thousand, six hundred twenty-eight".