97758278632 has 32 divisors (see below), whose sum is σ = 209514009600. Its totient is φ = 41890008384.

The previous prime is 97758278627. The next prime is 97758278641. The reversal of 97758278632 is 23687285779.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246358 + ... + 506170.

It is an arithmetic number, because the mean of its divisors is an integer number (6547312800).

Almost surely, 2^97758278632 is an apocalyptic number.

It is an amenable number.

97758278632 is an abundant number, since it is smaller than the sum of its proper divisors (111755730968).

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

97758278632 is a wasteful number, since it uses less digits than its factorization.

97758278632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266545 (or 266541 counting only the distinct ones).

The product of its digits is 71124480, while the sum is 64.

The spelling of 97758278632 in words is "ninety-seven billion, seven hundred fifty-eight million, two hundred seventy-eight thousand, six hundred thirty-two".