83312777061 has 6 divisors (see below), whose sum is σ = 120340677990. Its totient is φ = 55541851368.

The previous prime is 83312777033. The next prime is 83312777071. The reversal of 83312777061 is 16077721338.

It can be written as a sum of positive squares in only one way, i.e., 79845804900 + 3466972161 = 282570^2 + 58881^2 .

It is not a de Polignac number, because 83312777061 - 2⁶ = 83312776997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83312776998 and 83312777016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83312777071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4628487606 + ... + 4628487623.

It is an arithmetic number, because the mean of its divisors is an integer number (20056779665).

Almost surely, 2^83312777061 is an apocalyptic number.

It is an amenable number.

83312777061 is a deficient number, since it is larger than the sum of its proper divisors (37027900929).

83312777061 is a wasteful number, since it uses less digits than its factorization.

83312777061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9256975235 (or 9256975232 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

It can be divided in two parts, 8331277 and 7061, that added together give a palindrome (8338338).

The spelling of 83312777061 in words is "eighty-three billion, three hundred twelve million, seven hundred seventy-seven thousand, sixty-one".