890275270447 has 4 divisors (see below), whose sum is σ = 890279509176. Its totient is φ = 890271031720.

The previous prime is 890275270421. The next prime is 890275270471. The reversal of 890275270447 is 744072572098.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 890275270447 - 2²⁷ = 890141052719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (890275276447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1786933 + ... + 2230174.

It is an arithmetic number, because the mean of its divisors is an integer number (222569877294).

Almost surely, 2^890275270447 is an apocalyptic number.

890275270447 is a deficient number, since it is larger than the sum of its proper divisors (4238729).

890275270447 is a wasteful number, since it uses less digits than its factorization.

890275270447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4238728.

The product of its (nonzero) digits is 7902720, while the sum is 55.

The spelling of 890275270447 in words is "eight hundred ninety billion, two hundred seventy-five million, two hundred seventy thousand, four hundred forty-seven".