98885977 has 2 divisors, whose sum is σ = 98885978. Its totient is φ = 98885976.

The previous prime is 98885929. The next prime is 98885981. The reversal of 98885977 is 77958889.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87216921 + 11669056 = 9339^2 + 3416^2 .

It is a cyclic number.

It is not a de Polignac number, because 98885977 - 2¹¹ = 98883929 is a prime.

It is not a weakly prime, because it can be changed into another prime (98885987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49442988 + 49442989.

It is an arithmetic number, because the mean of its divisors is an integer number (49442989).

Almost surely, 2^98885977 is an apocalyptic number.

It is an amenable number.

98885977 is a deficient number, since it is larger than the sum of its proper divisors (1).

98885977 is an equidigital number, since it uses as much as digits as its factorization.

98885977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10160640, while the sum is 61.

The square root of 98885977 is about 9944.1428489337. The cubic root of 98885977 is about 462.4288307340.

The spelling of 98885977 in words is "ninety-eight million, eight hundred eighty-five thousand, nine hundred seventy-seven".