97882980765 has 16 divisors (see below), whose sum is σ = 156617212608. Its totient is φ = 52202775296.

The previous prime is 97882980709. The next prime is 97882980787. The reversal of 97882980765 is 56708928879.

It is a cyclic number.

It is not a de Polignac number, because 97882980765 - 2⁹ = 97882980253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97882980765.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 641557 + ... + 779333.

It is an arithmetic number, because the mean of its divisors is an integer number (9788575788).

Almost surely, 2^97882980765 is an apocalyptic number.

It is an amenable number.

97882980765 is a deficient number, since it is larger than the sum of its proper divisors (58734231843).

97882980765 is a wasteful number, since it uses less digits than its factorization.

97882980765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185148.

The product of its (nonzero) digits is 121927680, while the sum is 69.

The spelling of 97882980765 in words is "ninety-seven billion, eight hundred eighty-two million, nine hundred eighty thousand, seven hundred sixty-five".