969898007556 has 45 divisors (see below), whose sum is σ = 2535551319301. Its totient is φ = 323293426848.

The previous prime is 969898007543. The next prime is 969898007567. The reversal of 969898007556 is 655700898969.

The square root of 969898007556 is 984834.

It is a perfect power (a square), and thus also a powerful number.

969898007556 is a `hidden beast` number, since 9 + 69 + 8 + 9 + 8 + 0 + 0 + 7 + 556 = 666.

It can be written as a sum of positive squares in only one way, i.e., 327950928900 + 641947078656 = 572670^2 + 801216^2 .

It is a super-2 number, since 2×969898007556² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 17699656 + ... + 17754368.

Almost surely, 2^969898007556 is an apocalyptic number.

969898007556 is the 984834-th square number.

It is an amenable number.

969898007556 is an abundant number, since it is smaller than the sum of its proper divisors (1565653311745).

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

969898007556 is an frugal number, since it uses more digits than its factorization.

969898007556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109442 (or 54718 counting only the distinct ones).

The product of its (nonzero) digits is 293932800, while the sum is 72.

The spelling of 969898007556 in words is "nine hundred sixty-nine billion, eight hundred ninety-eight million, seven thousand, five hundred fifty-six".