78912033 has 8 divisors (see below), whose sum is σ = 105455328. Its totient is φ = 52488384.

The previous prime is 78912023. The next prime is 78912059. The reversal of 78912033 is 33021987.

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

It is not a de Polignac number, because 78912033 - 2⁴ = 78912017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78911985 and 78912003.

It is not an unprimeable number, because it can be changed into a prime (78912023) 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, 28360 + ... + 31017.

It is an arithmetic number, because the mean of its divisors is an integer number (13181916).

Almost surely, 2^78912033 is an apocalyptic number.

It is an amenable number.

78912033 is a deficient number, since it is larger than the sum of its proper divisors (26543295).

78912033 is a wasteful number, since it uses less digits than its factorization.

78912033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59823.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 78912033 is about 8883.2445086241. The cubic root of 78912033 is about 428.9247209536.

The spelling of 78912033 in words is "seventy-eight million, nine hundred twelve thousand, thirty-three".