979141997 has 2 divisors, whose sum is σ = 979141998. Its totient is φ = 979141996.

The previous prime is 979141973. The next prime is 979142009. The reversal of 979141997 is 799141979.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 855621001 + 123520996 = 29251^2 + 11114^2 .

It is a cyclic number.

It is not a de Polignac number, because 979141997 - 2¹⁰ = 979140973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (979141907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489570998 + 489570999.

It is an arithmetic number, because the mean of its divisors is an integer number (489570999).

Almost surely, 2^979141997 is an apocalyptic number.

It is an amenable number.

979141997 is a deficient number, since it is larger than the sum of its proper divisors (1).

979141997 is an equidigital number, since it uses as much as digits as its factorization.

979141997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1285956, while the sum is 56.

The square root of 979141997 is about 31291.2447339507. The cubic root of 979141997 is about 992.9984246870.

The spelling of 979141997 in words is "nine hundred seventy-nine million, one hundred forty-one thousand, nine hundred ninety-seven".