78360050 has 24 divisors (see below), whose sum is σ = 147395700. Its totient is φ = 30990080.

The previous prime is 78360049. The next prime is 78360053. The reversal of 78360050 is 5006387.

It can be written as a sum of positive squares in 6 ways, for example, as 25230529 + 53129521 = 5023^2 + 7289^2 .

It is a super-2 number, since 2×78360050² = 12280594872005000, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 78359995 and 78360022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78360053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4355 + ... + 13254.

Almost surely, 2^78360050 is an apocalyptic number.

78360050 is a deficient number, since it is larger than the sum of its proper divisors (69035650).

78360050 is a wasteful number, since it uses less digits than its factorization.

78360050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17710 (or 17705 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 78360050 is about 8852.1212147146. The cubic root of 78360050 is about 427.9222825959.

The spelling of 78360050 in words is "seventy-eight million, three hundred sixty thousand, fifty".