78056223 has 16 divisors (see below), whose sum is σ = 121710336. Its totient is φ = 43565760.

The previous prime is 78056221. The next prime is 78056243. The reversal of 78056223 is 32265087.

It is not a de Polignac number, because 78056223 - 2¹ = 78056221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78056221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42318 + ... + 44123.

It is an arithmetic number, because the mean of its divisors is an integer number (7606896).

Almost surely, 2^78056223 is an apocalyptic number.

78056223 is a deficient number, since it is larger than the sum of its proper divisors (43654113).

78056223 is a wasteful number, since it uses less digits than its factorization.

78056223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86494.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 78056223 is about 8834.9432935362. The cubic root of 78056223 is about 427.3685023554.

It can be divided in two parts, 7805 and 6223, that added together give a triangular number (14028 = T₁₆₇).

The spelling of 78056223 in words is "seventy-eight million, fifty-six thousand, two hundred twenty-three".