97909259215 has 8 divisors (see below), whose sum is σ = 120666546720. Its totient is φ = 76210450272.

The previous prime is 97909259191. The next prime is 97909259243. The reversal of 97909259215 is 51295290979.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97909259215 - 2¹⁹ = 97908734927 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97909259215.

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, 264619435 + ... + 264619804.

It is an arithmetic number, because the mean of its divisors is an integer number (15083318340).

Almost surely, 2^97909259215 is an apocalyptic number.

97909259215 is a deficient number, since it is larger than the sum of its proper divisors (22757287505).

97909259215 is a wasteful number, since it uses less digits than its factorization.

97909259215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529239281.

The product of its (nonzero) digits is 4592700, while the sum is 58.

The spelling of 97909259215 in words is "ninety-seven billion, nine hundred nine million, two hundred fifty-nine thousand, two hundred fifteen".