97697828709620 has 24 divisors (see below), whose sum is σ = 205286196948000. Its totient is φ = 39056130215712.

The previous prime is 97697828709619. The next prime is 97697828709641. The reversal of 97697828709620 is 2690782879679.

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, 1437544430 + ... + 1437612389.

It is an arithmetic number, because the mean of its divisors is an integer number (8553591539500).

Almost surely, 2^{97697828709620} is an apocalyptic number.

It is an amenable number.

97697828709620 is an abundant number, since it is smaller than the sum of its proper divisors (107588368238380).

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

97697828709620 is a wasteful number, since it uses less digits than its factorization.

97697828709620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2875158527 (or 2875158525 counting only the distinct ones).

The product of its (nonzero) digits is 2304433152, while the sum is 80.

The spelling of 97697828709620 in words is "ninety-seven trillion, six hundred ninety-seven billion, eight hundred twenty-eight million, seven hundred nine thousand, six hundred twenty".