77285364050 has 24 divisors (see below), whose sum is σ = 143763839076. Its totient is φ = 30911336640.

The previous prime is 77285364031. The next prime is 77285364061. The reversal of 77285364050 is 5046358277.

It can be written as a sum of positive squares in 6 ways, for example, as 10922967169 + 66362396881 = 104513^2 + 257609^2 .

It is a junction number, because it is equal to n+sod(n) for n = 77285363986 and 77285364004.

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 11 ways as a sum of consecutive naturals, for example, 537644 + ... + 666056.

Almost surely, 2^77285364050 is an apocalyptic number.

77285364050 is a deficient number, since it is larger than the sum of its proper divisors (66478475026).

77285364050 is a wasteful number, since it uses less digits than its factorization.

77285364050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140462 (or 140457 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 47.

The spelling of 77285364050 in words is "seventy-seven billion, two hundred eighty-five million, three hundred sixty-four thousand, fifty".