78582158078 has 8 divisors (see below), whose sum is σ = 117875508168. Its totient is φ = 39290322024.

The previous prime is 78582158051. The next prime is 78582158099. The reversal of 78582158078 is 87085128587.

It is a happy number.

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

It is a congruent number.

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, 238376 + ... + 462587.

It is an arithmetic number, because the mean of its divisors is an integer number (14734438521).

Almost surely, 2^78582158078 is an apocalyptic number.

78582158078 is a deficient number, since it is larger than the sum of its proper divisors (39293350090).

78582158078 is a wasteful number, since it uses less digits than its factorization.

78582158078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757018.

The product of its (nonzero) digits is 10035200, while the sum is 59.

The spelling of 78582158078 in words is "seventy-eight billion, five hundred eighty-two million, one hundred fifty-eight thousand, seventy-eight".