81058000417 has 8 divisors (see below), whose sum is σ = 83680420352. Its totient is φ = 78436058400.

The previous prime is 81058000403. The next prime is 81058000423. The reversal of 81058000417 is 71400085018.

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 81058000417 - 2²⁷ = 80923782689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (81058000487) 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, 242692 + ... + 470122.

It is an arithmetic number, because the mean of its divisors is an integer number (10460052544).

Almost surely, 2^81058000417 is an apocalyptic number.

It is an amenable number.

81058000417 is a deficient number, since it is larger than the sum of its proper divisors (2622419935).

81058000417 is a wasteful number, since it uses less digits than its factorization.

81058000417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238959.

The product of its (nonzero) digits is 8960, while the sum is 34.

The spelling of 81058000417 in words is "eighty-one billion, fifty-eight million, four hundred seventeen", and thus it is an aban number.