90017457461 has 8 divisors (see below), whose sum is σ = 95148398400. Its totient is φ = 84925834560.

The previous prime is 90017457457. The next prime is 90017457479. The reversal of 90017457461 is 16475471009.

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 90017457461 - 2² = 90017457457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90017457451) 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, 9824801 + ... + 9833958.

It is an arithmetic number, because the mean of its divisors is an integer number (11893549800).

Almost surely, 2^90017457461 is an apocalyptic number.

It is an amenable number.

90017457461 is a deficient number, since it is larger than the sum of its proper divisors (5130940939).

90017457461 is a wasteful number, since it uses less digits than its factorization.

90017457461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19659019.

The product of its (nonzero) digits is 211680, while the sum is 44.

The spelling of 90017457461 in words is "ninety billion, seventeen million, four hundred fifty-seven thousand, four hundred sixty-one".