980689477 has 8 divisors (see below), whose sum is σ = 1007845272. Its totient is φ = 953568000.

The previous prime is 980689469. The next prime is 980689511. The reversal of 980689477 is 774986089.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 776513956 + 204175521 = 27866^2 + 14289^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 980689477 - 2³ = 980689469 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 (980684477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55977 + ... + 71377.

It is an arithmetic number, because the mean of its divisors is an integer number (125980659).

Almost surely, 2^980689477 is an apocalyptic number.

It is an amenable number.

980689477 is a deficient number, since it is larger than the sum of its proper divisors (27155795).

980689477 is a wasteful number, since it uses less digits than its factorization.

980689477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17159.

The product of its (nonzero) digits is 6096384, while the sum is 58.

The square root of 980689477 is about 31315.9620161987. The cubic root of 980689477 is about 993.5212757782.

The spelling of 980689477 in words is "nine hundred eighty million, six hundred eighty-nine thousand, four hundred seventy-seven".