9967059916765 has 32 divisors (see below), whose sum is σ = 13911169913856. Its totient is φ = 6713815714560.

The previous prime is 9967059916757. The next prime is 9967059916783. The reversal of 9967059916765 is 5676199507699.

It is not a de Polignac number, because 9967059916765 - 2³ = 9967059916757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1369317 + ... + 4670026.

It is an arithmetic number, because the mean of its divisors is an integer number (434724059808).

Almost surely, 2^{9967059916765} is an apocalyptic number.

It is an amenable number.

9967059916765 is a deficient number, since it is larger than the sum of its proper divisors (3944109997091).

9967059916765 is a wasteful number, since it uses less digits than its factorization.

9967059916765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6040189.

The product of its (nonzero) digits is 1736040600, while the sum is 79.

The spelling of 9967059916765 in words is "nine trillion, nine hundred sixty-seven billion, fifty-nine million, nine hundred sixteen thousand, seven hundred sixty-five".