97775673648 has 40 divisors (see below), whose sum is σ = 258747824496. Its totient is φ = 31796966400.

The previous prime is 97775673641. The next prime is 97775673649. The reversal of 97775673648 is 84637657779.

It is not an unprimeable number, because it can be changed into a prime (97775673641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24839413 + ... + 24843348.

Almost surely, 2^97775673648 is an apocalyptic number.

It is an amenable number.

97775673648 is an abundant number, since it is smaller than the sum of its proper divisors (160972150848).

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

97775673648 is a wasteful number, since it uses less digits than its factorization.

97775673648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49682813 (or 49682807 counting only the distinct ones).

The product of its digits is 373403520, while the sum is 69.

The spelling of 97775673648 in words is "ninety-seven billion, seven hundred seventy-five million, six hundred seventy-three thousand, six hundred forty-eight".