890533771 has 4 divisors (see below), whose sum is σ = 895509000. Its totient is φ = 885558544.

The previous prime is 890533753. The next prime is 890533793. The reversal of 890533771 is 177335098.

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 890533771 - 2¹³ = 890525579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (890533471) 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, 2487346 + ... + 2487703.

It is an arithmetic number, because the mean of its divisors is an integer number (223877250).

Almost surely, 2^890533771 is an apocalyptic number.

890533771 is a deficient number, since it is larger than the sum of its proper divisors (4975229).

890533771 is a wasteful number, since it uses less digits than its factorization.

890533771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4975228.

The product of its (nonzero) digits is 158760, while the sum is 43.

The square root of 890533771 is about 29841.8124617122. The cubic root of 890533771 is about 962.0924307118.

The spelling of 890533771 in words is "eight hundred ninety million, five hundred thirty-three thousand, seven hundred seventy-one".