98777 has 8 divisors (see below), whose sum is σ = 114816. Its totient is φ = 83232.

The previous prime is 98773. The next prime is 98779. The reversal of 98777 is 77789.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 98777 - 2² = 98773 is a prime.

It is a Duffinian number.

98777 is a modest number, since divided by 777 gives 98 as remainder.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 98777.

It is not an unprimeable number, because it can be changed into a prime (98773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 653 + ... + 789.

It is an arithmetic number, because the mean of its divisors is an integer number (14352).

2⁹⁸⁷⁷⁷ is an apocalyptic number.

It is an amenable number.

98777 is a deficient number, since it is larger than the sum of its proper divisors (16039).

98777 is a wasteful number, since it uses less digits than its factorization.

98777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247.

The product of its digits is 24696, while the sum is 38.

The square root of 98777 is about 314.2880844066. The cubic root of 98777 is about 46.2258895516.

The spelling of 98777 in words is "ninety-eight thousand, seven hundred seventy-seven".