78734995 has 8 divisors (see below), whose sum is σ = 94764384. Its totient is φ = 62799744.

The previous prime is 78734977. The next prime is 78735017. The reversal of 78734995 is 59943787.

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

It is a cyclic number.

It is not a de Polignac number, because 78734995 - 2⁵ = 78734963 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21679 + ... + 25048.

It is an arithmetic number, because the mean of its divisors is an integer number (11845548).

Almost surely, 2^78734995 is an apocalyptic number.

78734995 is a deficient number, since it is larger than the sum of its proper divisors (16029389).

78734995 is a wasteful number, since it uses less digits than its factorization.

78734995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47069.

The product of its digits is 1905120, while the sum is 52.

The square root of 78734995 is about 8873.2741984005. The cubic root of 78734995 is about 428.6037186517.

The spelling of 78734995 in words is "seventy-eight million, seven hundred thirty-four thousand, nine hundred ninety-five".