78773023 has 16 divisors (see below), whose sum is σ = 91286080. Its totient is φ = 66583296.

The previous prime is 78773003. The next prime is 78773027. The reversal of 78773023 is 32037787.

It is a cyclic number.

It is not a de Polignac number, because 78773023 - 2²¹ = 76675871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78773027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251515 + ... + 251827.

It is an arithmetic number, because the mean of its divisors is an integer number (5705380).

Almost surely, 2^78773023 is an apocalyptic number.

78773023 is a deficient number, since it is larger than the sum of its proper divisors (12513057).

78773023 is a wasteful number, since it uses less digits than its factorization.

78773023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706.

The product of its (nonzero) digits is 49392, while the sum is 37.

The square root of 78773023 is about 8875.4167789462. The cubic root of 78773023 is about 428.6727109249.

The spelling of 78773023 in words is "seventy-eight million, seven hundred seventy-three thousand, twenty-three".