787898 has 8 divisors (see below), whose sum is σ = 1204308. Its totient is φ = 386464.

The previous prime is 787883. The next prime is 787903. The reversal of 787898 is 898787.

787898 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 2 ways, for example, as 769129 + 18769 = 877^2 + 137^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3611 + ... + 3822.

2⁷⁸⁷⁸⁹⁸ is an apocalyptic number.

787898 is a deficient number, since it is larger than the sum of its proper divisors (416410).

787898 is a wasteful number, since it uses less digits than its factorization.

787898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7488.

The product of its digits is 225792, while the sum is 47.

The square root of 787898 is about 887.6361867342. The cubic root of 787898 is about 92.3612919832.

Subtracting 787898 from its reverse (898787), we obtain a square (110889 = 333²).

The spelling of 787898 in words is "seven hundred eighty-seven thousand, eight hundred ninety-eight".