97942885390 has 32 divisors (see below), whose sum is σ = 201499752384. Its totient is φ = 33577543680.

The previous prime is 97942885387. The next prime is 97942885399. The reversal of 97942885390 is 9358824979.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97942885399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 865152 + ... + 971788.

It is an arithmetic number, because the mean of its divisors is an integer number (6296867262).

Almost surely, 2^97942885390 is an apocalyptic number.

97942885390 is an abundant number, since it is smaller than the sum of its proper divisors (103556866994).

97942885390 is a wasteful number, since it uses less digits than its factorization.

97942885390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119772.

The product of its (nonzero) digits is 39191040, while the sum is 64.

The spelling of 97942885390 in words is "ninety-seven billion, nine hundred forty-two million, eight hundred eighty-five thousand, three hundred ninety".