787945 has 8 divisors (see below), whose sum is σ = 961920. Its totient is φ = 619440.

The previous prime is 787939. The next prime is 787973. The reversal of 787945 is 549787.

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

It is not a de Polignac number, because 787945 - 2⁷ = 787817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 787898 and 787907.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1041 + ... + 1630.

It is an arithmetic number, because the mean of its divisors is an integer number (120240).

2⁷⁸⁷⁹⁴⁵ is an apocalyptic number.

It is an amenable number.

787945 is a deficient number, since it is larger than the sum of its proper divisors (173975).

787945 is a wasteful number, since it uses less digits than its factorization.

787945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2735.

The product of its digits is 70560, while the sum is 40.

The square root of 787945 is about 887.6626611501. The cubic root of 787945 is about 92.3631284706.

The spelling of 787945 in words is "seven hundred eighty-seven thousand, nine hundred forty-five".