85904436763 has 2 divisors, whose sum is σ = 85904436764. Its totient is φ = 85904436762.

The previous prime is 85904436719. The next prime is 85904436781. The reversal of 85904436763 is 36763440958.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85904436763 - 2¹⁷ = 85904305691 is a prime.

It is not a weakly prime, because it can be changed into another prime (85904436713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42952218381 + 42952218382.

It is an arithmetic number, because the mean of its divisors is an integer number (42952218382).

Almost surely, 2^85904436763 is an apocalyptic number.

85904436763 is a deficient number, since it is larger than the sum of its proper divisors (1).

85904436763 is an equidigital number, since it uses as much as digits as its factorization.

85904436763 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13063680, while the sum is 55.

The spelling of 85904436763 in words is "eighty-five billion, nine hundred four million, four hundred thirty-six thousand, seven hundred sixty-three".