78350560 has 24 divisors (see below), whose sum is σ = 185103576. Its totient is φ = 31340160.

The previous prime is 78350543. The next prime is 78350561. The reversal of 78350560 is 6505387.

It is a happy number.

It is a super-2 number, since 2×78350560² = 12277620504627200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78350561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244686 + ... + 245005.

It is an arithmetic number, because the mean of its divisors is an integer number (7712649).

Almost surely, 2^78350560 is an apocalyptic number.

It is an amenable number.

78350560 is an abundant number, since it is smaller than the sum of its proper divisors (106753016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78350560 is a wasteful number, since it uses less digits than its factorization.

78350560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489706 (or 489698 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 78350560 is about 8851.5851687706. The cubic root of 78350560 is about 427.9050070138.

The spelling of 78350560 in words is "seventy-eight million, three hundred fifty thousand, five hundred sixty".