97443679825 has 12 divisors (see below), whose sum is σ = 120842360460. Its totient is φ = 77947074560.

The previous prime is 97443679819. The next prime is 97443679829. The reversal of 97443679825 is 52897634479.

It can be written as a sum of positive squares in 6 ways, for example, as 1155728016 + 96287951809 = 33996^2 + 310303^2 .

It is not a de Polignac number, because 97443679825 - 2¹⁷ = 97443548753 is a prime.

It is a super-2 number, since 2×97443679825² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (97443679829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62577 + ... + 445873.

It is an arithmetic number, because the mean of its divisors is an integer number (10070196705).

Almost surely, 2^97443679825 is an apocalyptic number.

It is an amenable number.

97443679825 is a deficient number, since it is larger than the sum of its proper divisors (23398680635).

97443679825 is a wasteful number, since it uses less digits than its factorization.

97443679825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393476 (or 393471 counting only the distinct ones).

The product of its digits is 91445760, while the sum is 64.

The spelling of 97443679825 in words is "ninety-seven billion, four hundred forty-three million, six hundred seventy-nine thousand, eight hundred twenty-five".