97687488920208 has 80 divisors (see below), whose sum is σ = 276324529723200. Its totient is φ = 29492223715840.

The previous prime is 97687488920179. The next prime is 97687488920209. The reversal of 97687488920208 is 80202988478679.

It is not an unprimeable number, because it can be changed into a prime (97687488920209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343750503 + ... + 344034566.

It is an arithmetic number, because the mean of its divisors is an integer number (3454056621540).

Almost surely, 2^{97687488920208} is an apocalyptic number.

It is an amenable number.

97687488920208 is an abundant number, since it is smaller than the sum of its proper divisors (178637040802992).

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

97687488920208 is a wasteful number, since it uses less digits than its factorization.

97687488920208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687785360 (or 687785354 counting only the distinct ones).

The product of its (nonzero) digits is 1560674304, while the sum is 78.

The spelling of 97687488920208 in words is "ninety-seven trillion, six hundred eighty-seven billion, four hundred eighty-eight million, nine hundred twenty thousand, two hundred eight".