78605050 has 12 divisors (see below), whose sum is σ = 146205486. Its totient is φ = 31442000.

The previous prime is 78605041. The next prime is 78605069. The reversal of 78605050 is 5050687.

It can be written as a sum of positive squares in 3 ways, for example, as 74528689 + 4076361 = 8633^2 + 2019^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 786001 + ... + 786100.

Almost surely, 2^78605050 is an apocalyptic number.

78605050 is a deficient number, since it is larger than the sum of its proper divisors (67600436).

78605050 is a wasteful number, since it uses less digits than its factorization.

78605050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572113 (or 1572108 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 78605050 is about 8865.9489057856. The cubic root of 78605050 is about 428.3677982365.

The spelling of 78605050 in words is "seventy-eight million, six hundred five thousand, fifty".