78794961 has 8 divisors (see below), whose sum is σ = 120068544. Its totient is φ = 45025680.

The previous prime is 78794951. The next prime is 78794977. The reversal of 78794961 is 16949787.

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

It is not a de Polignac number, because 78794961 - 2⁹ = 78794449 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (78794951) 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 7 ways as a sum of consecutive naturals, for example, 1876050 + ... + 1876091.

It is an arithmetic number, because the mean of its divisors is an integer number (15008568).

Almost surely, 2^78794961 is an apocalyptic number.

It is an amenable number.

78794961 is a deficient number, since it is larger than the sum of its proper divisors (41273583).

78794961 is a wasteful number, since it uses less digits than its factorization.

78794961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3752151.

The product of its digits is 762048, while the sum is 51.

The square root of 78794961 is about 8876.6525785343. The cubic root of 78794961 is about 428.7125018275.

The spelling of 78794961 in words is "seventy-eight million, seven hundred ninety-four thousand, nine hundred sixty-one".