83775001 has 2 divisors, whose sum is σ = 83775002. Its totient is φ = 83775000.

The previous prime is 83774987. The next prime is 83775011. The reversal of 83775001 is 10057738.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53304601 + 30470400 = 7301^2 + 5520^2 .

It is a cyclic number.

It is not a de Polignac number, because 83775001 - 2²³ = 75386393 is a prime.

It is not a weakly prime, because it can be changed into another prime (83775011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41887500 + 41887501.

It is an arithmetic number, because the mean of its divisors is an integer number (41887501).

Almost surely, 2^83775001 is an apocalyptic number.

It is an amenable number.

83775001 is a deficient number, since it is larger than the sum of its proper divisors (1).

83775001 is an equidigital number, since it uses as much as digits as its factorization.

83775001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 83775001 is about 9152.8684574837. The cubic root of 83775001 is about 437.5605375821.

The spelling of 83775001 in words is "eighty-three million, seven hundred seventy-five thousand, one".