78225343 has 8 divisors (see below), whose sum is σ = 91302912. Its totient is φ = 65623416.

The previous prime is 78225341. The next prime is 78225353. The reversal of 78225343 is 34352287.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 78225343 - 2¹ = 78225341 is a prime.

It is a super-4 number, since 4×78225343⁴ (a number of 33 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3, 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78225299 and 78225308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78225341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118555 + ... + 119212.

It is an arithmetic number, because the mean of its divisors is an integer number (11412864).

Almost surely, 2^78225343 is an apocalyptic number.

78225343 is a deficient number, since it is larger than the sum of its proper divisors (13077569).

78225343 is a wasteful number, since it uses less digits than its factorization.

78225343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237821.

The product of its digits is 40320, while the sum is 34.

The square root of 78225343 is about 8844.5092006284. The cubic root of 78225343 is about 427.6769314249.

The spelling of 78225343 in words is "seventy-eight million, two hundred twenty-five thousand, three hundred forty-three".