98767813 has 2 divisors, whose sum is σ = 98767814. Its totient is φ = 98767812.

The previous prime is 98767793. The next prime is 98767817. The reversal of 98767813 is 31876789.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98763844 + 3969 = 9938^2 + 63^2 .

It is a cyclic number.

It is not a de Polignac number, because 98767813 - 2¹³ = 98759621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98767817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49383906 + 49383907.

It is an arithmetic number, because the mean of its divisors is an integer number (49383907).

Almost surely, 2^98767813 is an apocalyptic number.

It is an amenable number.

98767813 is a deficient number, since it is larger than the sum of its proper divisors (1).

98767813 is an equidigital number, since it uses as much as digits as its factorization.

98767813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 49.

The square root of 98767813 is about 9938.1996860598. The cubic root of 98767813 is about 462.2445638929.

It can be divided in two parts, 9876 and 7813, that added together give a square (17689 = 133²).

The spelling of 98767813 in words is "ninety-eight million, seven hundred sixty-seven thousand, eight hundred thirteen".