78841834 has 8 divisors (see below), whose sum is σ = 118505088. Its totient is φ = 39340140.

The previous prime is 78841823. The next prime is 78841837. The reversal of 78841834 is 43814887.

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

It is not an unprimeable number, because it can be changed into a prime (78841837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39162 + ... + 41125.

It is an arithmetic number, because the mean of its divisors is an integer number (14813136).

Almost surely, 2^78841834 is an apocalyptic number.

78841834 is a deficient number, since it is larger than the sum of its proper divisors (39663254).

78841834 is a wasteful number, since it uses less digits than its factorization.

78841834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80780.

The product of its digits is 172032, while the sum is 43.

The square root of 78841834 is about 8879.2924267646. The cubic root of 78841834 is about 428.7974948165.

The spelling of 78841834 in words is "seventy-eight million, eight hundred forty-one thousand, eight hundred thirty-four".