7878467 has 4 divisors (see below), whose sum is σ = 7885416. Its totient is φ = 7871520.

The previous prime is 7878461. The next prime is 7878487. The reversal of 7878467 is 7648787.

7878467 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7648787 = 67 ⋅114161.

It is a cyclic number.

It is not a de Polignac number, because 7878467 - 2¹⁴ = 7862083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7878461) 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, 1334 + ... + 4187.

It is an arithmetic number, because the mean of its divisors is an integer number (1971354).

Almost surely, 2^7878467 is an apocalyptic number.

7878467 is a deficient number, since it is larger than the sum of its proper divisors (6949).

7878467 is a wasteful number, since it uses less digits than its factorization.

7878467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6948.

The product of its digits is 526848, while the sum is 47.

The square root of 7878467 is about 2806.8607019231. The cubic root of 7878467 is about 198.9820527067.

The spelling of 7878467 in words is "seven million, eight hundred seventy-eight thousand, four hundred sixty-seven".