97327481772 has 18 divisors (see below), whose sum is σ = 227099979148. Its totient is φ = 32442133688.

The previous prime is 97327481767. The next prime is 97327481803. The reversal of 97327481772 is 27718472379.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1035679 + ... + 1125737.

Almost surely, 2^97327481772 is an apocalyptic number.

It is an amenable number.

97327481772 is an abundant number, since it is smaller than the sum of its proper divisors (129772497376).

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

97327481772 is an frugal number, since it uses more digits than its factorization.

97327481772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180125 (or 90064 counting only the distinct ones).

The product of its digits is 8297856, while the sum is 57.

The spelling of 97327481772 in words is "ninety-seven billion, three hundred twenty-seven million, four hundred eighty-one thousand, seven hundred seventy-two".