97989057502 has 16 divisors (see below), whose sum is σ = 177862491360. Its totient is φ = 39524997888.

The previous prime is 97989057499. The next prime is 97989057503. The reversal of 97989057502 is 20575098979.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97989057503) 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, 205859127 + ... + 205859602.

It is an arithmetic number, because the mean of its divisors is an integer number (11116405710).

Almost surely, 2^97989057502 is an apocalyptic number.

97989057502 is a deficient number, since it is larger than the sum of its proper divisors (79873433858).

97989057502 is a wasteful number, since it uses less digits than its factorization.

97989057502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411718755.

The product of its (nonzero) digits is 14288400, while the sum is 61.

The spelling of 97989057502 in words is "ninety-seven billion, nine hundred eighty-nine million, fifty-seven thousand, five hundred two".