97478830656 has 63 divisors (see below), whose sum is σ = 279426947241. Its totient is φ = 32490445824.

The previous prime is 97478830633. The next prime is 97478830661. The reversal of 97478830656 is 65603887479.

The square root of 97478830656 is 312216.

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

It can be written as a sum of positive squares in only one way, i.e., 19436821056 + 78042009600 = 139416^2 + 279360^2 .

It is a super-2 number, since 2×97478830656² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 97478830593 and 97478830602.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7486680 + ... + 7499688.

Almost surely, 2^97478830656 is an apocalyptic number.

97478830656 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

97478830656 is the 312216-th square number.

It is an amenable number.

97478830656 is an abundant number, since it is smaller than the sum of its proper divisors (181948116585).

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

97478830656 is an frugal number, since it uses more digits than its factorization.

97478830656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26036 (or 13014 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 63.

The spelling of 97478830656 in words is "ninety-seven billion, four hundred seventy-eight million, eight hundred thirty thousand, six hundred fifty-six".