975479819 has 2 divisors, whose sum is σ = 975479820. Its totient is φ = 975479818.

The previous prime is 975479719. The next prime is 975479849. The reversal of 975479819 is 918974579.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 975479819 - 2¹⁶ = 975414283 is a prime.

It is a super-2 number, since 2×975479819² = 1903121754552545522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (975479849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487739909 + 487739910.

It is an arithmetic number, because the mean of its divisors is an integer number (487739910).

Almost surely, 2^975479819 is an apocalyptic number.

975479819 is a deficient number, since it is larger than the sum of its proper divisors (1).

975479819 is an equidigital number, since it uses as much as digits as its factorization.

975479819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5715360, while the sum is 59.

The square root of 975479819 is about 31232.6723000130. The cubic root of 975479819 is about 991.7588767899.

The spelling of 975479819 in words is "nine hundred seventy-five million, four hundred seventy-nine thousand, eight hundred nineteen".