78427805914 has 8 divisors (see below), whose sum is σ = 119635636320. Its totient is φ = 38549260476.

The previous prime is 78427805903. The next prime is 78427805941. The reversal of 78427805914 is 41950872487.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332321094 + ... + 332321329.

It is an arithmetic number, because the mean of its divisors is an integer number (14954454540).

Almost surely, 2^78427805914 is an apocalyptic number.

78427805914 is a deficient number, since it is larger than the sum of its proper divisors (41207830406).

78427805914 is a wasteful number, since it uses less digits than its factorization.

78427805914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664642484.

The product of its (nonzero) digits is 4515840, while the sum is 55.

The spelling of 78427805914 in words is "seventy-eight billion, four hundred twenty-seven million, eight hundred five thousand, nine hundred fourteen".