90817125325471 has 8 divisors (see below), whose sum is σ = 92312666999280. Its totient is φ = 89331139828992.

The previous prime is 90817125325469. The next prime is 90817125325481. The reversal of 90817125325471 is 17452352171809.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 90817125325471 - 2¹ = 90817125325469 is a prime.

It is a super-3 number, since 3×90817125325471³ (a number of 43 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 (90817125325481) 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, 2389025170 + ... + 2389063183.

It is an arithmetic number, because the mean of its divisors is an integer number (11539083374910).

Almost surely, 2^{90817125325471} is an apocalyptic number.

90817125325471 is a deficient number, since it is larger than the sum of its proper divisors (1495541673809).

90817125325471 is a wasteful number, since it uses less digits than its factorization.

90817125325471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4778088665.

The product of its (nonzero) digits is 4233600, while the sum is 55.

The spelling of 90817125325471 in words is "ninety trillion, eight hundred seventeen billion, one hundred twenty-five million, three hundred twenty-five thousand, four hundred seventy-one".