98640976525 has 24 divisors (see below), whose sum is σ = 150541309184. Its totient is φ = 62436484800.

The previous prime is 98640976523. The next prime is 98640976537. The reversal of 98640976525 is 52567904689.

It is not a de Polignac number, because 98640976525 - 2¹ = 98640976523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98640976523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21677061 + ... + 21681610.

Almost surely, 2^98640976525 is an apocalyptic number.

It is an amenable number.

98640976525 is a deficient number, since it is larger than the sum of its proper divisors (51900332659).

98640976525 is a wasteful number, since it uses less digits than its factorization.

98640976525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43358701 (or 43358696 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 61.

The spelling of 98640976525 in words is "ninety-eight billion, six hundred forty million, nine hundred seventy-six thousand, five hundred twenty-five".