78159048 has 64 divisors (see below), whose sum is σ = 214816320. Its totient is φ = 23500800.

The previous prime is 78159019. The next prime is 78159061. The reversal of 78159048 is 84095187.

It is a super-2 number, since 2×78159048² = 12217673568532608, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 35088 + ... + 37248.

It is an arithmetic number, because the mean of its divisors is an integer number (3356505).

Almost surely, 2^78159048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78159048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107408160).

78159048 is an abundant number, since it is smaller than the sum of its proper divisors (136657272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78159048 is a wasteful number, since it uses less digits than its factorization.

78159048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2318 (or 2314 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 78159048 is about 8840.7606007628. The cubic root of 78159048 is about 427.5560803280.

The spelling of 78159048 in words is "seventy-eight million, one hundred fifty-nine thousand, forty-eight".