98862772861 has 8 divisors (see below), whose sum is σ = 100739598264. Its totient is φ = 96986373120.

The previous prime is 98862772849. The next prime is 98862772889. The reversal of 98862772861 is 16827726889.

It can be written as a sum of positive squares in 4 ways, for example, as 11826562500 + 87036210361 = 108750^2 + 295019^2 .

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 98862772861 - 2³⁵ = 64503034493 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98862772793 and 98862772802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98862770861) 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 in 7 ways as a sum of consecutive naturals, for example, 383725 + ... + 587341.

It is an arithmetic number, because the mean of its divisors is an integer number (12592449783).

Almost surely, 2^98862772861 is an apocalyptic number.

It is an amenable number.

98862772861 is a deficient number, since it is larger than the sum of its proper divisors (1876825403).

98862772861 is a wasteful number, since it uses less digits than its factorization.

98862772861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212831.

The product of its digits is 32514048, while the sum is 64.

The spelling of 98862772861 in words is "ninety-eight billion, eight hundred sixty-two million, seven hundred seventy-two thousand, eight hundred sixty-one".