97795143636 has 48 divisors (see below), whose sum is σ = 245572407360. Its totient is φ = 30177861120.

The previous prime is 97795143601. The next prime is 97795143661. The reversal of 97795143636 is 63634159779.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 97795143636.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3916966 + ... + 3941853.

It is an arithmetic number, because the mean of its divisors is an integer number (5116091820).

Almost surely, 2^97795143636 is an apocalyptic number.

It is an amenable number.

97795143636 is an abundant number, since it is smaller than the sum of its proper divisors (147777263724).

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

97795143636 is a wasteful number, since it uses less digits than its factorization.

97795143636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7858904 (or 7858902 counting only the distinct ones).

The product of its digits is 25719120, while the sum is 60.

The spelling of 97795143636 in words is "ninety-seven billion, seven hundred ninety-five million, one hundred forty-three thousand, six hundred thirty-six".