91200242472 has 32 divisors (see below), whose sum is σ = 228017695680. Its totient is φ = 30397802240.

The previous prime is 91200242381. The next prime is 91200242489. The reversal of 91200242472 is 27424200219.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201397 + ... + 472187.

It is an arithmetic number, because the mean of its divisors is an integer number (7125552990).

Almost surely, 2^91200242472 is an apocalyptic number.

It is an amenable number.

91200242472 is an abundant number, since it is smaller than the sum of its proper divisors (136817453208).

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

91200242472 is a wasteful number, since it uses less digits than its factorization.

91200242472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284833 (or 284829 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The spelling of 91200242472 in words is "ninety-one billion, two hundred million, two hundred forty-two thousand, four hundred seventy-two".