7878469254 has 8 divisors (see below), whose sum is σ = 15756938520. Its totient is φ = 2626156416.

The previous prime is 7878469229. The next prime is 7878469259. The reversal of 7878469254 is 4529648787.

It is a happy number.

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

7878469254 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7878469259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 656539099 + ... + 656539110.

It is an arithmetic number, because the mean of its divisors is an integer number (1969617315).

Almost surely, 2^7878469254 is an apocalyptic number.

7878469254 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7878469254 is a wasteful number, since it uses less digits than its factorization.

7878469254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313078214.

The product of its digits is 27095040, while the sum is 60.

The square root of 7878469254 is about 88760.7416260139. The cubic root of 7878469254 is about 1989.8207168266.

The spelling of 7878469254 in words is "seven billion, eight hundred seventy-eight million, four hundred sixty-nine thousand, two hundred fifty-four".