97432393940 has 24 divisors (see below), whose sum is σ = 233837745792. Its totient is φ = 33405392160.

The previous prime is 97432393921. The next prime is 97432393957. The reversal of 97432393940 is 4939323479.

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, 347972696 + ... + 347972975.

It is an arithmetic number, because the mean of its divisors is an integer number (9743239408).

Almost surely, 2^97432393940 is an apocalyptic number.

It is an amenable number.

97432393940 is an abundant number, since it is smaller than the sum of its proper divisors (136405351852).

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

97432393940 is a wasteful number, since it uses less digits than its factorization.

97432393940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695945687 (or 695945685 counting only the distinct ones).

The product of its (nonzero) digits is 4408992, while the sum is 53.

The spelling of 97432393940 in words is "ninety-seven billion, four hundred thirty-two million, three hundred ninety-three thousand, nine hundred forty".