78552023 has 32 divisors (see below), whose sum is σ = 94348800. Its totient is φ = 64627200.

The previous prime is 78551987. The next prime is 78552029. The reversal of 78552023 is 32025587.

It is not a de Polignac number, because 78552023 - 2⁶ = 78551959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78552029) 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 31 ways as a sum of consecutive naturals, for example, 762590 + ... + 762692.

It is an arithmetic number, because the mean of its divisors is an integer number (2948400).

Almost surely, 2^78552023 is an apocalyptic number.

78552023 is a deficient number, since it is larger than the sum of its proper divisors (15796777).

78552023 is a wasteful number, since it uses less digits than its factorization.

78552023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 78552023 is about 8862.9579148273. The cubic root of 78552023 is about 428.2714508686.

The spelling of 78552023 in words is "seventy-eight million, five hundred fifty-two thousand, twenty-three".