78648033 has 8 divisors (see below), whose sum is σ = 104940000. Its totient is φ = 52394048.

The previous prime is 78647981. The next prime is 78648041. The reversal of 78648033 is 33084687.

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 78648033 - 2⁹ = 78647521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78647982 and 78648000.

It is not an unprimeable number, because it can be changed into a prime (78648043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4248 + ... + 13241.

It is an arithmetic number, because the mean of its divisors is an integer number (13117500).

Almost surely, 2^78648033 is an apocalyptic number.

It is an amenable number.

78648033 is a deficient number, since it is larger than the sum of its proper divisors (26291967).

78648033 is a wasteful number, since it uses less digits than its factorization.

78648033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18991.

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

The square root of 78648033 is about 8868.3726241064. The cubic root of 78648033 is about 428.4458643741.

The spelling of 78648033 in words is "seventy-eight million, six hundred forty-eight thousand, thirty-three".