975881411 has 2 divisors, whose sum is σ = 975881412. Its totient is φ = 975881410.

The previous prime is 975881393. The next prime is 975881419. The reversal of 975881411 is 114188579.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-975881411 is a prime.

It is not a weakly prime, because it can be changed into another prime (975881419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487940705 + 487940706.

It is an arithmetic number, because the mean of its divisors is an integer number (487940706).

Almost surely, 2^975881411 is an apocalyptic number.

975881411 is a deficient number, since it is larger than the sum of its proper divisors (1).

975881411 is an equidigital number, since it uses as much as digits as its factorization.

975881411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 44.

The square root of 975881411 is about 31239.1006752755. The cubic root of 975881411 is about 991.8949560744.

The spelling of 975881411 in words is "nine hundred seventy-five million, eight hundred eighty-one thousand, four hundred eleven".