97780752063232 has 288 divisors, whose sum is σ = 242725795361280. Its totient is φ = 38349881671680.

The previous prime is 97780752063191. The next prime is 97780752063257. The reversal of 97780752063232 is 23236025708779.

It is a happy number.

It is a super-2 number, since 2×97780752063232² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1770753319 + ... + 1770808537.

It is an arithmetic number, because the mean of its divisors is an integer number (842797900560).

Almost surely, 2^{97780752063232} 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 97780752063232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121362897680640).

97780752063232 is an abundant number, since it is smaller than the sum of its proper divisors (144945043298048).

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

97780752063232 is a wasteful number, since it uses less digits than its factorization.

97780752063232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56867 (or 56853 counting only the distinct ones).

The product of its (nonzero) digits is 53343360, while the sum is 61.

The spelling of 97780752063232 in words is "ninety-seven trillion, seven hundred eighty billion, seven hundred fifty-two million, sixty-three thousand, two hundred thirty-two".