890486677 has 4 divisors (see below), whose sum is σ = 890677260. Its totient is φ = 890296096.

The previous prime is 890486647. The next prime is 890486693. The reversal of 890486677 is 776684098.

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

It can be written as a sum of positive squares in 2 ways, for example, as 683874801 + 206611876 = 26151^2 + 14374^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-890486677 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 (890486627) 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, 88102 + ... + 97687.

It is an arithmetic number, because the mean of its divisors is an integer number (222669315).

Almost surely, 2^890486677 is an apocalyptic number.

It is an amenable number.

890486677 is a deficient number, since it is larger than the sum of its proper divisors (190583).

890486677 is a wasteful number, since it uses less digits than its factorization.

890486677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190582.

The product of its (nonzero) digits is 4064256, while the sum is 55.

The square root of 890486677 is about 29841.0233906279. The cubic root of 890486677 is about 962.0754710032.

The spelling of 890486677 in words is "eight hundred ninety million, four hundred eighty-six thousand, six hundred seventy-seven".