91200242471 has 8 divisors (see below), whose sum is σ = 99458882880. Its totient is φ = 83119207392.

The previous prime is 91200242381. The next prime is 91200242489. The reversal of 91200242471 is 17424200219.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 91200242471 - 2²⁶ = 91133133607 is a prime.

It is a super-3 number, since 3×91200242471³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91200242491) 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, 44400260 + ... + 44402313.

It is an arithmetic number, because the mean of its divisors is an integer number (12432360360).

Almost surely, 2^91200242471 is an apocalyptic number.

91200242471 is a deficient number, since it is larger than the sum of its proper divisors (8258640409).

91200242471 is a wasteful number, since it uses less digits than its factorization.

91200242471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88802665.

The product of its (nonzero) digits is 8064, while the sum is 32.

The spelling of 91200242471 in words is "ninety-one billion, two hundred million, two hundred forty-two thousand, four hundred seventy-one".