78603834 has 32 divisors (see below), whose sum is σ = 167546880. Its totient is φ = 24526832.

The previous prime is 78603827. The next prime is 78603859. The reversal of 78603834 is 43830687.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 78603792 and 78603801.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 427 + ... + 12545.

It is an arithmetic number, because the mean of its divisors is an integer number (5235840).

Almost surely, 2^78603834 is an apocalyptic number.

78603834 is an abundant number, since it is smaller than the sum of its proper divisors (88943046).

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

78603834 is a wasteful number, since it uses less digits than its factorization.

78603834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12194.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 78603834 is about 8865.8803285404. The cubic root of 78603834 is about 428.3655893117.

The spelling of 78603834 in words is "seventy-eight million, six hundred three thousand, eight hundred thirty-four".