97575001840 has 40 divisors (see below), whose sum is σ = 227354073408. Its totient is φ = 38945322240.

The previous prime is 97575001829. The next prime is 97575001859. The reversal of 97575001840 is 4810057579.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1285992 + ... + 1359751.

Almost surely, 2^97575001840 is an apocalyptic number.

It is an amenable number.

97575001840 is an abundant number, since it is smaller than the sum of its proper divisors (129779071568).

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

97575001840 is a wasteful number, since it uses less digits than its factorization.

97575001840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2646217 (or 2646211 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 46.

The spelling of 97575001840 in words is "ninety-seven billion, five hundred seventy-five million, one thousand, eight hundred forty".