98477791 has 2 divisors, whose sum is σ = 98477792. Its totient is φ = 98477790.

The previous prime is 98477767. The next prime is 98477801. The reversal of 98477791 is 19777489.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 98477791 - 2⁵ = 98477759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98477761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49238895 + 49238896.

It is an arithmetic number, because the mean of its divisors is an integer number (49238896).

Almost surely, 2^98477791 is an apocalyptic number.

98477791 is a deficient number, since it is larger than the sum of its proper divisors (1).

98477791 is an equidigital number, since it uses as much as digits as its factorization.

98477791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 889056, while the sum is 52.

The square root of 98477791 is about 9923.5976843078. The cubic root of 98477791 is about 461.7916750336.

The spelling of 98477791 in words is "ninety-eight million, four hundred seventy-seven thousand, seven hundred ninety-one".