98079777 has 6 divisors (see below), whose sum is σ = 141670802. Its totient is φ = 65386512.

The previous prime is 98079743. The next prime is 98079781. The reversal of 98079777 is 77797089.

It can be written as a sum of positive squares in only one way, i.e., 79495056 + 18584721 = 8916^2 + 4311^2 .

It is not a de Polignac number, because 98079777 - 2⁶ = 98079713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98079727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5448868 + ... + 5448885.

Almost surely, 2^98079777 is an apocalyptic number.

It is an amenable number.

98079777 is a deficient number, since it is larger than the sum of its proper divisors (43591025).

98079777 is a wasteful number, since it uses less digits than its factorization.

98079777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10897759 (or 10897756 counting only the distinct ones).

The product of its (nonzero) digits is 1555848, while the sum is 54.

The square root of 98079777 is about 9903.5234638991. The cubic root of 98079777 is about 461.1686996197.

The spelling of 98079777 in words is "ninety-eight million, seventy-nine thousand, seven hundred seventy-seven".