98677993 has 2 divisors, whose sum is σ = 98677994. Its totient is φ = 98677992.

The previous prime is 98677967. The next prime is 98678023. The reversal of 98677993 is 39977689.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62773929 + 35904064 = 7923^2 + 5992^2 .

It is a cyclic number.

It is not a de Polignac number, because 98677993 - 2⁵ = 98677961 is a prime.

It is not a weakly prime, because it can be changed into another prime (98677903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49338996 + 49338997.

It is an arithmetic number, because the mean of its divisors is an integer number (49338997).

Almost surely, 2^98677993 is an apocalyptic number.

It is an amenable number.

98677993 is a deficient number, since it is larger than the sum of its proper divisors (1).

98677993 is an equidigital number, since it uses as much as digits as its factorization.

98677993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5143824, while the sum is 58.

The square root of 98677993 is about 9933.6797310966. The cubic root of 98677993 is about 462.1043988005.

The spelling of 98677993 in words is "ninety-eight million, six hundred seventy-seven thousand, nine hundred ninety-three".