97829215393 has 48 divisors (see below), whose sum is σ = 129460208256. Its totient is φ = 72127411200.

The previous prime is 97829215391. The next prime is 97829215399. The reversal of 97829215393 is 39351292879.

It is not a de Polignac number, because 97829215393 - 2¹ = 97829215391 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97829215391) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2007130 + ... + 2055292.

It is an arithmetic number, because the mean of its divisors is an integer number (2697087672).

Almost surely, 2^97829215393 is an apocalyptic number.

It is an amenable number.

97829215393 is a deficient number, since it is larger than the sum of its proper divisors (31630992863).

97829215393 is a wasteful number, since it uses less digits than its factorization.

97829215393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48314 (or 48301 counting only the distinct ones).

The product of its digits is 7348320, while the sum is 58.

The spelling of 97829215393 in words is "ninety-seven billion, eight hundred twenty-nine million, two hundred fifteen thousand, three hundred ninety-three".