78133050 has 36 divisors (see below), whose sum is σ = 209918670. Its totient is φ = 20835360.

The previous prime is 78133007. The next prime is 78133061. The reversal of 78133050 is 5033187.

It can be written as a sum of positive squares in 3 ways, for example, as 67420521 + 10712529 = 8211^2 + 3273^2 .

It is a super-2 number, since 2×78133050² = 12209547004605000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 86365 + ... + 87264.

Almost surely, 2^78133050 is an apocalyptic number.

78133050 is an abundant number, since it is smaller than the sum of its proper divisors (131785620).

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

78133050 is a wasteful number, since it uses less digits than its factorization.

78133050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173647 (or 173639 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 78133050 is about 8839.2901298690. The cubic root of 78133050 is about 427.5086691584.

The spelling of 78133050 in words is "seventy-eight million, one hundred thirty-three thousand, fifty".