78011333 has 4 divisors (see below), whose sum is σ = 78180288. Its totient is φ = 77842380.

The previous prime is 78011303. The next prime is 78011341. The reversal of 78011333 is 33311087.

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 not a de Polignac number, because 78011333 - 2⁸ = 78011077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78011303) 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, 83783 + ... + 84708.

It is an arithmetic number, because the mean of its divisors is an integer number (19545072).

Almost surely, 2^78011333 is an apocalyptic number.

It is an amenable number.

78011333 is a deficient number, since it is larger than the sum of its proper divisors (168955).

78011333 is a wasteful number, since it uses less digits than its factorization.

78011333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168954.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 78011333 is about 8832.4024478055. The cubic root of 78011333 is about 427.2865603475.

The spelling of 78011333 in words is "seventy-eight million, eleven thousand, three hundred thirty-three".