890897798 has 8 divisors (see below), whose sum is σ = 1527253392. Its totient is φ = 381813336.

The previous prime is 890897797. The next prime is 890897807. The reversal of 890897798 is 897798098.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (890897797) 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, 31817765 + ... + 31817792.

It is an arithmetic number, because the mean of its divisors is an integer number (190906674).

Almost surely, 2^890897798 is an apocalyptic number.

890897798 is a deficient number, since it is larger than the sum of its proper divisors (636355594).

890897798 is a wasteful number, since it uses less digits than its factorization.

890897798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63635566.

The product of its (nonzero) digits is 18289152, while the sum is 65.

The square root of 890897798 is about 29847.9111161904. The cubic root of 890897798 is about 962.2235056252.

The spelling of 890897798 in words is "eight hundred ninety million, eight hundred ninety-seven thousand, seven hundred ninety-eight".