98771297640625 has 49 divisors (see below), whose sum is σ = 126402126035983. Its totient is φ = 77179432575000.

The previous prime is 98771297640611. The next prime is 98771297640637. The reversal of 98771297640625 is 52604679217789.

The square root of 98771297640625 is 9938375.

The cubic root of 98771297640625 is 46225.

It is a perfect power (a square, a cube, a 6-th power), and thus also a powerful number.

It can be written as a sum of positive squares in 3 ways, for example, as 86533138777761 + 12238158862864 = 9302319^2 + 3498308^2 .

It is not a de Polignac number, because 98771297640625 - 2¹³ = 98771297632433 is a prime.

It is a super-2 number, since 2×98771297640625² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 48 ways as a sum of consecutive naturals, for example, 2297006921854 + ... + 2297006921896.

Almost surely, 2^{98771297640625} is an apocalyptic number.

98771297640625 is the 9938375-th square number.

98771297640625 is the 4969188-th centered octagonal number.

It is an amenable number.

98771297640625 is a deficient number, since it is larger than the sum of its proper divisors (27630828395358).

98771297640625 is an frugal number, since it uses more digits than its factorization.

98771297640625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288 (or 48 counting only the distinct ones).

The product of its (nonzero) digits is 640120320, while the sum is 73.

The spelling of 98771297640625 in words is "ninety-eight trillion, seven hundred seventy-one billion, two hundred ninety-seven million, six hundred forty thousand, six hundred twenty-five".