78954834 has 32 divisors (see below), whose sum is σ = 191085696. Its totient is φ = 21231360.

The previous prime is 78954833. The next prime is 78954839. The reversal of 78954834 is 43845987.

It is not an unprimeable number, because it can be changed into a prime (78954833) 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, 54577 + ... + 56004.

It is an arithmetic number, because the mean of its divisors is an integer number (5971428).

Almost surely, 2^78954834 is an apocalyptic number.

78954834 is an abundant number, since it is smaller than the sum of its proper divisors (112130862).

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

78954834 is a wasteful number, since it uses less digits than its factorization.

78954834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110610.

The product of its digits is 967680, while the sum is 48.

The square root of 78954834 is about 8885.6532680496. The cubic root of 78954834 is about 429.0022549205.

The spelling of 78954834 in words is "seventy-eight million, nine hundred fifty-four thousand, eight hundred thirty-four".