98640976533 has 16 divisors (see below), whose sum is σ = 143509556736. Its totient is φ = 59769171440.

The previous prime is 98640976523. The next prime is 98640976537. The reversal of 98640976533 is 33567904689.

It is not a de Polignac number, because 98640976533 - 2¹⁰ = 98640975509 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98640976537) 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, 178641 + ... + 478742.

It is an arithmetic number, because the mean of its divisors is an integer number (8969347296).

Almost surely, 2^98640976533 is an apocalyptic number.

It is an amenable number.

98640976533 is a deficient number, since it is larger than the sum of its proper divisors (44868580203).

98640976533 is a wasteful number, since it uses less digits than its factorization.

98640976533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661944.

The product of its (nonzero) digits is 29393280, while the sum is 60.

The spelling of 98640976533 in words is "ninety-eight billion, six hundred forty million, nine hundred seventy-six thousand, five hundred thirty-three".