979801297 has 4 divisors (see below), whose sum is σ = 980632116. Its totient is φ = 978970480.

The previous prime is 979801289. The next prime is 979801343. The reversal of 979801297 is 792108979.

979801297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 532732561 + 447068736 = 23081^2 + 21144^2 .

It is a cyclic number.

It is not a de Polignac number, because 979801297 - 2³ = 979801289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (979801217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 413638 + ... + 415999.

It is an arithmetic number, because the mean of its divisors is an integer number (245158029).

Almost surely, 2^979801297 is an apocalyptic number.

It is an amenable number.

979801297 is a deficient number, since it is larger than the sum of its proper divisors (830819).

979801297 is a wasteful number, since it uses less digits than its factorization.

979801297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830818.

The product of its (nonzero) digits is 571536, while the sum is 52.

The square root of 979801297 is about 31301.7778568566. Note that the first 3 decimals coincide. The cubic root of 979801297 is about 993.2212513985.

The spelling of 979801297 in words is "nine hundred seventy-nine million, eight hundred one thousand, two hundred ninety-seven".