969976656 has 180 divisors, whose sum is σ = 3010119840. Its totient is φ = 291350400.

The previous prime is 969976627. The next prime is 969976661. The reversal of 969976656 is 656679969.

It is a junction number, because it is equal to n+sod(n) for n = 969976593 and 969976602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3118741 + ... + 3119051.

It is an arithmetic number, because the mean of its divisors is an integer number (16722888).

Almost surely, 2^969976656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 969976656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1505059920).

969976656 is an abundant number, since it is smaller than the sum of its proper divisors (2040143184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

969976656 is a wasteful number, since it uses less digits than its factorization.

969976656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526 (or 506 counting only the distinct ones).

The product of its digits is 33067440, while the sum is 63.

The square root of 969976656 is about 31144.4482372059. The cubic root of 969976656 is about 989.8903582281.

The spelling of 969976656 in words is "nine hundred sixty-nine million, nine hundred seventy-six thousand, six hundred fifty-six".