9860000977 has 2 divisors, whose sum is σ = 9860000978. Its totient is φ = 9860000976.

The previous prime is 9860000971. The next prime is 9860001013. The reversal of 9860000977 is 7790000689.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6915419281 + 2944581696 = 83159^2 + 54264^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9860000977 is a prime.

It is not a weakly prime, because it can be changed into another prime (9860000971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4930000488 + 4930000489.

It is an arithmetic number, because the mean of its divisors is an integer number (4930000489).

Almost surely, 2^9860000977 is an apocalyptic number.

It is an amenable number.

9860000977 is a deficient number, since it is larger than the sum of its proper divisors (1).

9860000977 is an equidigital number, since it uses as much as digits as its factorization.

9860000977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 46.

The square root of 9860000977 is about 99297.5376180094. The cubic root of 9860000977 is about 2144.3334451385. Note that the first 3 decimals are identical.

The spelling of 9860000977 in words is "nine billion, eight hundred sixty million, nine hundred seventy-seven", and thus it is an aban number.