77035021227 has 12 divisors (see below), whose sum is σ = 116110756944. Its totient is φ = 49123781520.

The previous prime is 77035021171. The next prime is 77035021307. The reversal of 77035021227 is 72212053077.

77035021227 is a `hidden beast` number, since 7 + 70 + 350 + 212 + 27 = 666.

It is not a de Polignac number, because 77035021227 - 2¹¹ = 77035019179 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 77035021191 and 77035021200.

It is not an unprimeable number, because it can be changed into a prime (77035021027) 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, 186074724 + ... + 186075137.

It is an arithmetic number, because the mean of its divisors is an integer number (9675896412).

Almost surely, 2^77035021227 is an apocalyptic number.

77035021227 is a deficient number, since it is larger than the sum of its proper divisors (39075735717).

77035021227 is a wasteful number, since it uses less digits than its factorization.

77035021227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372149890 (or 372149887 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 36.

The spelling of 77035021227 in words is "seventy-seven billion, thirty-five million, twenty-one thousand, two hundred twenty-seven".