78023083 has 4 divisors (see below), whose sum is σ = 78176880. Its totient is φ = 77869288.

The previous prime is 78023069. The next prime is 78023089. The reversal of 78023083 is 38032087.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 78023083 - 2⁵ = 78023051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78023089) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 76135 + ... + 77152.

It is an arithmetic number, because the mean of its divisors is an integer number (19544220).

Almost surely, 2^78023083 is an apocalyptic number.

78023083 is a deficient number, since it is larger than the sum of its proper divisors (153797).

78023083 is a wasteful number, since it uses less digits than its factorization.

78023083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153796.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 78023083 is about 8833.0675871976. The cubic root of 78023083 is about 427.3080117822.

The spelling of 78023083 in words is "seventy-eight million, twenty-three thousand, eighty-three".