985276511 has 2 divisors, whose sum is σ = 985276512. Its totient is φ = 985276510.

The previous prime is 985276489. The next prime is 985276529. The reversal of 985276511 is 115672589.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-985276511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (985276561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492638255 + 492638256.

It is an arithmetic number, because the mean of its divisors is an integer number (492638256).

Almost surely, 2^985276511 is an apocalyptic number.

985276511 is a deficient number, since it is larger than the sum of its proper divisors (1).

985276511 is an equidigital number, since it uses as much as digits as its factorization.

985276511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 44.

The square root of 985276511 is about 31389.1145303591. The cubic root of 985276511 is about 995.0678845631.

The spelling of 985276511 in words is "nine hundred eighty-five million, two hundred seventy-six thousand, five hundred eleven".