97957133436 has 12 divisors (see below), whose sum is σ = 228566644712. Its totient is φ = 32652377808.

The previous prime is 97957133411. The next prime is 97957133471. The reversal of 97957133436 is 63433175979.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4081547215 + ... + 4081547238.

Almost surely, 2^97957133436 is an apocalyptic number.

It is an amenable number.

97957133436 is an abundant number, since it is smaller than the sum of its proper divisors (130609511276).

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

97957133436 is a wasteful number, since it uses less digits than its factorization.

97957133436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8163094460 (or 8163094458 counting only the distinct ones).

The product of its digits is 12859560, while the sum is 57.

The spelling of 97957133436 in words is "ninety-seven billion, nine hundred fifty-seven million, one hundred thirty-three thousand, four hundred thirty-six".