98215387665 has 32 divisors (see below), whose sum is σ = 166427726976. Its totient is φ = 49288627200.

The previous prime is 98215387657. The next prime is 98215387687. The reversal of 98215387665 is 56678351289.

It is not a de Polignac number, because 98215387665 - 2³ = 98215387657 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 98215387599 and 98215387608.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1091739 + ... + 1178271.

It is an arithmetic number, because the mean of its divisors is an integer number (5200866468).

Almost surely, 2^98215387665 is an apocalyptic number.

It is an amenable number.

98215387665 is a deficient number, since it is larger than the sum of its proper divisors (68212339311).

98215387665 is a wasteful number, since it uses less digits than its factorization.

98215387665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91009.

The product of its digits is 21772800, while the sum is 60.

The spelling of 98215387665 in words is "ninety-eight billion, two hundred fifteen million, three hundred eighty-seven thousand, six hundred sixty-five".