97242521436 has 60 divisors (see below), whose sum is σ = 267590711080. Its totient is φ = 30708162720.

The previous prime is 97242521413. The next prime is 97242521443. The reversal of 97242521436 is 63412524279.

97242521436 is a `hidden beast` number, since 9 + 7 + 2 + 425 + 214 + 3 + 6 = 666.

It is a super-2 number, since 2×97242521436² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 97242521391 and 97242521400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7892035 + ... + 7904346.

Almost surely, 2^97242521436 is an apocalyptic number.

It is an amenable number.

97242521436 is an abundant number, since it is smaller than the sum of its proper divisors (170348189644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97242521436 is a wasteful number, since it uses less digits than its factorization.

97242521436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15796416 (or 15796405 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The spelling of 97242521436 in words is "ninety-seven billion, two hundred forty-two million, five hundred twenty-one thousand, four hundred thirty-six".