85480050961 has 2 divisors, whose sum is σ = 85480050962. Its totient is φ = 85480050960.

The previous prime is 85480050941. The next prime is 85480050991. The reversal of 85480050961 is 16905008458.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46214250625 + 39265800336 = 214975^2 + 198156^2 .

It is a cyclic number.

It is not a de Polignac number, because 85480050961 - 2⁹ = 85480050449 is a prime.

It is a super-2 number, since 2×85480050961² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (85480050941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42740025480 + 42740025481.

It is an arithmetic number, because the mean of its divisors is an integer number (42740025481).

Almost surely, 2^85480050961 is an apocalyptic number.

It is an amenable number.

85480050961 is a deficient number, since it is larger than the sum of its proper divisors (1).

85480050961 is an equidigital number, since it uses as much as digits as its factorization.

85480050961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 345600, while the sum is 46.

The spelling of 85480050961 in words is "eighty-five billion, four hundred eighty million, fifty thousand, nine hundred sixty-one".