819077061 has 16 divisors (see below), whose sum is σ = 1254090240. Its totient is φ = 470283120.

The previous prime is 819077059. The next prime is 819077093. The reversal of 819077061 is 160770918.

819077061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 819077061 - 2¹ = 819077059 is a prime.

It is a super-3 number, since 3×819077061³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (819077011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 652545 + ... + 653798.

It is an arithmetic number, because the mean of its divisors is an integer number (78380640).

Almost surely, 2^819077061 is an apocalyptic number.

It is an amenable number.

819077061 is a deficient number, since it is larger than the sum of its proper divisors (435013179).

819077061 is a wasteful number, since it uses less digits than its factorization.

819077061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306376.

The product of its (nonzero) digits is 21168, while the sum is 39.

The square root of 819077061 is about 28619.5223754695. The cubic root of 819077061 is about 935.6388671395.

The spelling of 819077061 in words is "eight hundred nineteen million, seventy-seven thousand, sixty-one".