787467 has 4 divisors (see below), whose sum is σ = 1049960. Its totient is φ = 524976.

The previous prime is 787447. The next prime is 787469. The reversal of 787467 is 764787.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 764787 = 3 ⋅254929.

It is a de Polignac number, because none of the positive numbers 2^k-787467 is a prime.

It is a D-number.

It is a Duffinian number.

787467 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (787469) 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, 131242 + ... + 131247.

It is an arithmetic number, because the mean of its divisors is an integer number (262490).

2⁷⁸⁷⁴⁶⁷ is an apocalyptic number.

787467 is a deficient number, since it is larger than the sum of its proper divisors (262493).

787467 is a wasteful number, since it uses less digits than its factorization.

787467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262492.

The product of its digits is 65856, while the sum is 39.

The square root of 787467 is about 887.3933738765. The cubic root of 787467 is about 92.3444475957.

The spelling of 787467 in words is "seven hundred eighty-seven thousand, four hundred sixty-seven".