980105479 has 4 divisors (see below), whose sum is σ = 981249984. Its totient is φ = 978960976.

The previous prime is 980105473. The next prime is 980105491. The reversal of 980105479 is 974501089.

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

It is a cyclic number.

It is not a de Polignac number, because 980105479 - 2²³ = 971716871 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 (980105473) 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, 570967 + ... + 572680.

It is an arithmetic number, because the mean of its divisors is an integer number (245312496).

Almost surely, 2^980105479 is an apocalyptic number.

980105479 is a deficient number, since it is larger than the sum of its proper divisors (1144505).

980105479 is a wasteful number, since it uses less digits than its factorization.

980105479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144504.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 980105479 is about 31306.6363411977. The cubic root of 980105479 is about 993.3240235178.

The spelling of 980105479 in words is "nine hundred eighty million, one hundred five thousand, four hundred seventy-nine".