83305270261 has 2 divisors, whose sum is σ = 83305270262. Its totient is φ = 83305270260.

The previous prime is 83305270241. The next prime is 83305270277. The reversal of 83305270261 is 16207250338.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80914647025 + 2390623236 = 284455^2 + 48894^2 .

It is a cyclic number.

It is not a de Polignac number, because 83305270261 - 2¹⁵ = 83305237493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83305270261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83305270231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41652635130 + 41652635131.

It is an arithmetic number, because the mean of its divisors is an integer number (41652635131).

Almost surely, 2^83305270261 is an apocalyptic number.

It is an amenable number.

83305270261 is a deficient number, since it is larger than the sum of its proper divisors (1).

83305270261 is an equidigital number, since it uses as much as digits as its factorization.

83305270261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 83305270261 in words is "eighty-three billion, three hundred five million, two hundred seventy thousand, two hundred sixty-one".