97622786560 has 160 divisors (see below), whose sum is σ = 254678043312. Its totient is φ = 35672555520.

The previous prime is 97622786551. The next prime is 97622786561. The reversal of 97622786560 is 6568722679.

It can be written as a sum of positive squares in 8 ways, for example, as 8608870656 + 89013915904 = 92784^2 + 298352^2 .

It is a tau number, because it is divible by the number of its divisors (160).

It is a junction number, because it is equal to n+sod(n) for n = 97622786495 and 97622786504.

It is not an unprimeable number, because it can be changed into a prime (97622786561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3213040 + ... + 3243280.

Almost surely, 2^97622786560 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 97622786560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127339021656).

97622786560 is an abundant number, since it is smaller than the sum of its proper divisors (157055256752).

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

97622786560 is a wasteful number, since it uses less digits than its factorization.

97622786560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30374 (or 30358 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 58.

The spelling of 97622786560 in words is "ninety-seven billion, six hundred twenty-two million, seven hundred eighty-six thousand, five hundred sixty".