78250553050 has 12 divisors (see below), whose sum is σ = 145546028766. Its totient is φ = 31300221200.

The previous prime is 78250553027. The next prime is 78250553083. The reversal of 78250553050 is 5035505287.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 40212681961 + 38037871089 = 200531^2 + 195033^2 .

It is a super-2 number, since 2×78250553050² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78250552994 and 78250553012.

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, 782505481 + ... + 782505580.

Almost surely, 2^78250553050 is an apocalyptic number.

78250553050 is a deficient number, since it is larger than the sum of its proper divisors (67295475716).

78250553050 is a wasteful number, since it uses less digits than its factorization.

78250553050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565011073 (or 1565011068 counting only the distinct ones).

The product of its (nonzero) digits is 210000, while the sum is 40.

The spelling of 78250553050 in words is "seventy-eight billion, two hundred fifty million, five hundred fifty-three thousand, fifty".