78841158 has 32 divisors (see below), whose sum is σ = 174845952. Its totient is φ = 23498400.

The previous prime is 78841109. The next prime is 78841159. The reversal of 78841158 is 85114887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78841159) 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 15 ways as a sum of consecutive naturals, for example, 5766 + ... + 13817.

It is an arithmetic number, because the mean of its divisors is an integer number (5463936).

Almost surely, 2^78841158 is an apocalyptic number.

78841158 is an abundant number, since it is smaller than the sum of its proper divisors (96004794).

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

78841158 is a wasteful number, since it uses less digits than its factorization.

78841158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19660.

The product of its digits is 71680, while the sum is 42.

The square root of 78841158 is about 8879.2543605868. The cubic root of 78841158 is about 428.7962692914.

The spelling of 78841158 in words is "seventy-eight million, eight hundred forty-one thousand, one hundred fifty-eight".