979871411 has 2 divisors, whose sum is σ = 979871412. Its totient is φ = 979871410.

The previous prime is 979871393. The next prime is 979871441. The reversal of 979871411 is 114178979.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-979871411 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is equal to p_49875419 and since 979871411 and 49875419 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (979871441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489935705 + 489935706.

It is an arithmetic number, because the mean of its divisors is an integer number (489935706).

Almost surely, 2^979871411 is an apocalyptic number.

979871411 is a deficient number, since it is larger than the sum of its proper divisors (1).

979871411 is an equidigital number, since it uses as much as digits as its factorization.

979871411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 47.

The square root of 979871411 is about 31302.8978051554. The cubic root of 979871411 is about 993.2449422747.

The spelling of 979871411 in words is "nine hundred seventy-nine million, eight hundred seventy-one thousand, four hundred eleven".