980475547 has 2 divisors, whose sum is σ = 980475548. Its totient is φ = 980475546.

The previous prime is 980475539. The next prime is 980475581. The reversal of 980475547 is 745574089.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 980475547 - 2³ = 980475539 is a prime.

It is a super-2 number, since 2×980475547² = 1922664596529898418, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 980475547.

It is not a weakly prime, because it can be changed into another prime (980475647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490237773 + 490237774.

It is an arithmetic number, because the mean of its divisors is an integer number (490237774).

Almost surely, 2^980475547 is an apocalyptic number.

980475547 is a deficient number, since it is larger than the sum of its proper divisors (1).

980475547 is an equidigital number, since it uses as much as digits as its factorization.

980475547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1411200, while the sum is 49.

The square root of 980475547 is about 31312.5461596466. The cubic root of 980475547 is about 993.4490274711.

The spelling of 980475547 in words is "nine hundred eighty million, four hundred seventy-five thousand, five hundred forty-seven".