78514879 has 8 divisors (see below), whose sum is σ = 79083200. Its totient is φ = 77949216.

The previous prime is 78514873. The next prime is 78514903. The reversal of 78514879 is 97841587.

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

It is a cyclic number.

It is not a de Polignac number, because 78514879 - 2⁹ = 78514367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78514873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127777 + ... + 128389.

It is an arithmetic number, because the mean of its divisors is an integer number (9885400).

Almost surely, 2^78514879 is an apocalyptic number.

78514879 is a deficient number, since it is larger than the sum of its proper divisors (568321).

78514879 is a wasteful number, since it uses less digits than its factorization.

78514879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329.

The product of its digits is 564480, while the sum is 49.

The square root of 78514879 is about 8860.8622040973. The cubic root of 78514879 is about 428.2039362789.

The spelling of 78514879 in words is "seventy-eight million, five hundred fourteen thousand, eight hundred seventy-nine".