787967 has 4 divisors (see below), whose sum is σ = 834336. Its totient is φ = 741600.

The previous prime is 787939. The next prime is 787973. The reversal of 787967 is 769787.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 769787 = 23 ⋅33469.

It is a cyclic number.

It is not a de Polignac number, because 787967 - 2⁶ = 787903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (787907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23159 + ... + 23192.

It is an arithmetic number, because the mean of its divisors is an integer number (208584).

2⁷⁸⁷⁹⁶⁷ is an apocalyptic number.

787967 is a deficient number, since it is larger than the sum of its proper divisors (46369).

787967 is a wasteful number, since it uses less digits than its factorization.

787967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46368.

The product of its digits is 148176, while the sum is 44.

The square root of 787967 is about 887.6750531585. The cubic root of 787967 is about 92.3639880780.

The spelling of 787967 in words is "seven hundred eighty-seven thousand, nine hundred sixty-seven".