969997822765 has 8 divisors (see below), whose sum is σ = 1204135228440. Its totient is φ = 749239697472.

The previous prime is 969997822747. The next prime is 969997822771. The reversal of 969997822765 is 567228799969.

It can be written as a sum of positive squares in 4 ways, for example, as 26811115081 + 943186707684 = 163741^2 + 971178^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 969997822765 - 2³⁹ = 420242008877 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3344819934 + ... + 3344820223.

It is an arithmetic number, because the mean of its divisors is an integer number (150516903555).

Almost surely, 2^969997822765 is an apocalyptic number.

It is an amenable number.

969997822765 is a deficient number, since it is larger than the sum of its proper divisors (234137405675).

969997822765 is a wasteful number, since it uses less digits than its factorization.

969997822765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6689640191.

The product of its digits is 1851776640, while the sum is 79.

The spelling of 969997822765 in words is "nine hundred sixty-nine billion, nine hundred ninety-seven million, eight hundred twenty-two thousand, seven hundred sixty-five".