9063878261 has 2 divisors, whose sum is σ = 9063878262. Its totient is φ = 9063878260.

The previous prime is 9063878251. The next prime is 9063878297. The reversal of 9063878261 is 1628783609.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8439178225 + 624700036 = 91865^2 + 24994^2 .

It is a cyclic number.

It is not a de Polignac number, because 9063878261 - 2¹⁸ = 9063616117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9063878221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4531939130 + 4531939131.

It is an arithmetic number, because the mean of its divisors is an integer number (4531939131).

Almost surely, 2^9063878261 is an apocalyptic number.

It is an amenable number.

9063878261 is a deficient number, since it is larger than the sum of its proper divisors (1).

9063878261 is an equidigital number, since it uses as much as digits as its factorization.

9063878261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 50.

The square root of 9063878261 is about 95204.4025295049. The cubic root of 9063878261 is about 2084.9934161623.

The spelling of 9063878261 in words is "nine billion, sixty-three million, eight hundred seventy-eight thousand, two hundred sixty-one".