97561158570832 has 80 divisors (see below), whose sum is σ = 206395572587904. Its totient is φ = 44305829568000.

The previous prime is 97561158570803. The next prime is 97561158570833. The reversal of 97561158570832 is 23807585116579.

97561158570832 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×97561158570832² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97561158570833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1460003982 + ... + 1460070802.

Almost surely, 2^{97561158570832} is an apocalyptic number.

It is an amenable number.

97561158570832 is an abundant number, since it is smaller than the sum of its proper divisors (108834414017072).

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

97561158570832 is a wasteful number, since it uses less digits than its factorization.

97561158570832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74228 (or 74222 counting only the distinct ones).

The product of its (nonzero) digits is 127008000, while the sum is 67.

The spelling of 97561158570832 in words is "ninety-seven trillion, five hundred sixty-one billion, one hundred fifty-eight million, five hundred seventy thousand, eight hundred thirty-two".