980475845 has 16 divisors (see below), whose sum is σ = 1206696960. Its totient is φ = 764342400.

The previous prime is 980475841. The next prime is 980475851. The reversal of 980475845 is 548574089.

It is not a de Polignac number, because 980475845 - 2² = 980475841 is a prime.

It is a super-2 number, since 2×980475845² = 1922665765256928050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 980475793 and 980475802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (980475841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209036 + ... + 213674.

It is an arithmetic number, because the mean of its divisors is an integer number (75418560).

Almost surely, 2^980475845 is an apocalyptic number.

It is an amenable number.

980475845 is a deficient number, since it is larger than the sum of its proper divisors (226221115).

980475845 is a wasteful number, since it uses less digits than its factorization.

980475845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5716.

The product of its (nonzero) digits is 1612800, while the sum is 50.

The square root of 980475845 is about 31312.5509181223. The cubic root of 980475845 is about 993.4491281188.

The spelling of 980475845 in words is "nine hundred eighty million, four hundred seventy-five thousand, eight hundred forty-five".