97215223706 has 16 divisors (see below), whose sum is σ = 146059490304. Its totient is φ = 48528761424.

The previous prime is 97215223681. The next prime is 97215223709. The reversal of 97215223706 is 60732251279.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (97215223709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10323056 + ... + 10332468.

It is an arithmetic number, because the mean of its divisors is an integer number (9128718144).

Almost surely, 2^97215223706 is an apocalyptic number.

97215223706 is a deficient number, since it is larger than the sum of its proper divisors (48844266598).

97215223706 is a wasteful number, since it uses less digits than its factorization.

97215223706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17245.

The product of its (nonzero) digits is 317520, while the sum is 44.

The spelling of 97215223706 in words is "ninety-seven billion, two hundred fifteen million, two hundred twenty-three thousand, seven hundred six".