890899655 has 8 divisors (see below), whose sum is σ = 1079071632. Its totient is φ = 706058368.

The previous prime is 890899649. The next prime is 890899663. The reversal of 890899655 is 556998098.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-890899655 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 890899594 and 890899603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 832082 + ... + 833151.

It is an arithmetic number, because the mean of its divisors is an integer number (134883954).

Almost surely, 2^890899655 is an apocalyptic number.

890899655 is a deficient number, since it is larger than the sum of its proper divisors (188171977).

890899655 is a wasteful number, since it uses less digits than its factorization.

890899655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665345.

The product of its (nonzero) digits is 6998400, while the sum is 59.

The square root of 890899655 is about 29847.9422238787. The cubic root of 890899655 is about 962.2241741822.

The spelling of 890899655 in words is "eight hundred ninety million, eight hundred ninety-nine thousand, six hundred fifty-five".