78719054 has 8 divisors (see below), whose sum is σ = 121270008. Its totient is φ = 38295720.

The previous prime is 78719051. The next prime is 78719063. The reversal of 78719054 is 45091787.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78719051) by changing a digit.

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, 531812 + ... + 531959.

It is an arithmetic number, because the mean of its divisors is an integer number (15158751).

Almost surely, 2^78719054 is an apocalyptic number.

78719054 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

78719054 is a deficient number, since it is larger than the sum of its proper divisors (42550954).

78719054 is a wasteful number, since it uses less digits than its factorization.

78719054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063810.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 78719054 is about 8872.3758937502. The cubic root of 78719054 is about 428.5747910953.

The spelling of 78719054 in words is "seventy-eight million, seven hundred nineteen thousand, fifty-four".