979374761 has 2 divisors, whose sum is σ = 979374762. Its totient is φ = 979374760.

The previous prime is 979374727. The next prime is 979374763. The reversal of 979374761 is 167473979.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 830534761 + 148840000 = 28819^2 + 12200^2 .

It is an emirp because it is prime and its reverse (167473979) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-979374761 is a prime.

Together with 979374763, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (979374763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489687380 + 489687381.

It is an arithmetic number, because the mean of its divisors is an integer number (489687381).

Almost surely, 2^979374761 is an apocalyptic number.

It is an amenable number.

979374761 is a deficient number, since it is larger than the sum of its proper divisors (1).

979374761 is an equidigital number, since it uses as much as digits as its factorization.

979374761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2000376, while the sum is 53.

The square root of 979374761 is about 31294.9638280666. The cubic root of 979374761 is about 993.0771044472.

The spelling of 979374761 in words is "nine hundred seventy-nine million, three hundred seventy-four thousand, seven hundred sixty-one".