97845366825940 has 24 divisors (see below), whose sum is σ = 205487067108960. Its totient is φ = 39135899725728.

The previous prime is 97845366825931. The next prime is 97845366825959. The reversal of 97845366825940 is 4952866354879.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140080702 + ... + 140777461.

It is an arithmetic number, because the mean of its divisors is an integer number (8561961129540).

Almost surely, 2^{97845366825940} is an apocalyptic number.

It is an amenable number.

97845366825940 is an abundant number, since it is smaller than the sum of its proper divisors (107641700283020).

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

97845366825940 is a wasteful number, since it uses less digits than its factorization.

97845366825940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280875591 (or 280875589 counting only the distinct ones).

The product of its (nonzero) digits is 3135283200, while the sum is 76.

The spelling of 97845366825940 in words is "ninety-seven trillion, eight hundred forty-five billion, three hundred sixty-six million, eight hundred twenty-five thousand, nine hundred forty".