78463254 has 8 divisors (see below), whose sum is σ = 156926520. Its totient is φ = 26154416.

The previous prime is 78463249. The next prime is 78463271. The reversal of 78463254 is 45236487.

It is a happy number.

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

78463254 is an admirable number.

It is a super-3 number, since 3×78463254³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6538599 + ... + 6538610.

It is an arithmetic number, because the mean of its divisors is an integer number (19615815).

Almost surely, 2^78463254 is an apocalyptic number.

78463254 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.

78463254 is a wasteful number, since it uses less digits than its factorization.

78463254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13077214.

The product of its digits is 161280, while the sum is 39.

The square root of 78463254 is about 8857.9486338542. The cubic root of 78463254 is about 428.1100650055.

The spelling of 78463254 in words is "seventy-eight million, four hundred sixty-three thousand, two hundred fifty-four".