98777513 has 2 divisors, whose sum is σ = 98777514. Its totient is φ = 98777512.

The previous prime is 98777507. The next prime is 98777527. The reversal of 98777513 is 31577789.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52374169 + 46403344 = 7237^2 + 6812^2 .

It is a cyclic number.

It is not a de Polignac number, because 98777513 - 2⁶ = 98777449 is a prime.

It is not a weakly prime, because it can be changed into another prime (98777533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49388756 + 49388757.

It is an arithmetic number, because the mean of its divisors is an integer number (49388757).

Almost surely, 2^98777513 is an apocalyptic number.

It is an amenable number.

98777513 is a deficient number, since it is larger than the sum of its proper divisors (1).

98777513 is an equidigital number, since it uses as much as digits as its factorization.

98777513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 370440, while the sum is 47.

The square root of 98777513 is about 9938.6876900323. The cubic root of 98777513 is about 462.2596957641.

The spelling of 98777513 in words is "ninety-eight million, seven hundred seventy-seven thousand, five hundred thirteen".