78050533 has 4 divisors (see below), whose sum is σ = 85146048. Its totient is φ = 70955020.

The previous prime is 78050491. The next prime is 78050563. The reversal of 78050533 is 33505087.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78050533 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78050495 and 78050504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78050563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3547741 + ... + 3547762.

It is an arithmetic number, because the mean of its divisors is an integer number (21286512).

Almost surely, 2^78050533 is an apocalyptic number.

It is an amenable number.

78050533 is a deficient number, since it is larger than the sum of its proper divisors (7095515).

78050533 is a wasteful number, since it uses less digits than its factorization.

78050533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7095514.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 78050533 is about 8834.6212708865. The cubic root of 78050533 is about 427.3581175935.

The spelling of 78050533 in words is "seventy-eight million, fifty thousand, five hundred thirty-three".