989677153 has 4 divisors (see below), whose sum is σ = 993440448. Its totient is φ = 985913860.

The previous prime is 989677127. The next prime is 989677243. The reversal of 989677153 is 351776989.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-989677153 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 989677094 and 989677103.

It is not an unprimeable number, because it can be changed into a prime (989677123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1881253 + ... + 1881778.

It is an arithmetic number, because the mean of its divisors is an integer number (248360112).

Almost surely, 2^989677153 is an apocalyptic number.

It is an amenable number.

989677153 is a deficient number, since it is larger than the sum of its proper divisors (3763295).

989677153 is a wasteful number, since it uses less digits than its factorization.

989677153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3763294.

The product of its digits is 2857680, while the sum is 55.

The square root of 989677153 is about 31459.1346511629. The cubic root of 989677153 is about 996.5471424970.

The spelling of 989677153 in words is "nine hundred eighty-nine million, six hundred seventy-seven thousand, one hundred fifty-three".