97857195702 has 64 divisors (see below), whose sum is σ = 227053145088. Its totient is φ = 27537552000.

The previous prime is 97857195613. The next prime is 97857195713. The reversal of 97857195702 is 20759175879.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3028552 + ... + 3060692.

It is an arithmetic number, because the mean of its divisors is an integer number (3547705392).

Almost surely, 2^97857195702 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97857195702, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113526572544).

97857195702 is an abundant number, since it is smaller than the sum of its proper divisors (129195949386).

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

97857195702 is a wasteful number, since it uses less digits than its factorization.

97857195702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33245.

The product of its (nonzero) digits is 11113200, while the sum is 60.

The spelling of 97857195702 in words is "ninety-seven billion, eight hundred fifty-seven million, one hundred ninety-five thousand, seven hundred two".