98756661 has 16 divisors (see below), whose sum is σ = 138954240. Its totient is φ = 62215920.

The previous prime is 98756633. The next prime is 98756701. The reversal of 98756661 is 16665789.

It is not a de Polignac number, because 98756661 - 2⁷ = 98756533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 98756661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98756461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23296 + ... + 27206.

It is an arithmetic number, because the mean of its divisors is an integer number (8684640).

Almost surely, 2^98756661 is an apocalyptic number.

It is an amenable number.

98756661 is a deficient number, since it is larger than the sum of its proper divisors (40197579).

98756661 is a wasteful number, since it uses less digits than its factorization.

98756661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4376.

The product of its digits is 544320, while the sum is 48.

The square root of 98756661 is about 9937.6386028070. The cubic root of 98756661 is about 462.2271656965.

The spelling of 98756661 in words is "ninety-eight million, seven hundred fifty-six thousand, six hundred sixty-one".