97786855218752 has 56 divisors (see below), whose sum is σ = 226923981341376. Its totient is φ = 40934032409088.

The previous prime is 97786855218737. The next prime is 97786855218769. The reversal of 97786855218752 is 25781255868779.

It is a tau number, because it is divible by the number of its divisors (56).

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, 2538053183 + ... + 2538091710.

Almost surely, 2^{97786855218752} is an apocalyptic number.

It is an amenable number.

97786855218752 is an abundant number, since it is smaller than the sum of its proper divisors (129137126122624).

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

97786855218752 is a wasteful number, since it uses less digits than its factorization.

97786855218752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5076144955 (or 5076144945 counting only the distinct ones).

The product of its digits is 4741632000, while the sum is 80.

The spelling of 97786855218752 in words is "ninety-seven trillion, seven hundred eighty-six billion, eight hundred fifty-five million, two hundred eighteen thousand, seven hundred fifty-two".