84263752961 has 2 divisors, whose sum is σ = 84263752962. Its totient is φ = 84263752960.

The previous prime is 84263752927. The next prime is 84263753003. The reversal of 84263752961 is 16925736248.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58876110736 + 25387642225 = 242644^2 + 159335^2 .

It is a cyclic number.

It is not a de Polignac number, because 84263752961 - 2¹⁴ = 84263736577 is a prime.

It is not a weakly prime, because it can be changed into another prime (84263752921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42131876480 + 42131876481.

It is an arithmetic number, because the mean of its divisors is an integer number (42131876481).

Almost surely, 2^84263752961 is an apocalyptic number.

It is an amenable number.

84263752961 is a deficient number, since it is larger than the sum of its proper divisors (1).

84263752961 is an equidigital number, since it uses as much as digits as its factorization.

84263752961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4354560, while the sum is 53.

It can be divided in two parts, 842637 and 52961, that added together give a palindrome (895598).

The spelling of 84263752961 in words is "eighty-four billion, two hundred sixty-three million, seven hundred fifty-two thousand, nine hundred sixty-one".