979680457 has 8 divisors (see below), whose sum is σ = 1133125056. Its totient is φ = 829608432.

The previous prime is 979680439. The next prime is 979680467. The reversal of 979680457 is 754086979.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 979680457 - 2⁷ = 979680329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 979680398 and 979680407.

It is not an unprimeable number, because it can be changed into a prime (979680467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 842518 + ... + 843679.

It is an arithmetic number, because the mean of its divisors is an integer number (141640632).

Almost surely, 2^979680457 is an apocalyptic number.

It is an amenable number.

979680457 is a deficient number, since it is larger than the sum of its proper divisors (153444599).

979680457 is a wasteful number, since it uses less digits than its factorization.

979680457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686287.

The product of its (nonzero) digits is 3810240, while the sum is 55.

The square root of 979680457 is about 31299.8475555393. The cubic root of 979680457 is about 993.1804180204.

The spelling of 979680457 in words is "nine hundred seventy-nine million, six hundred eighty thousand, four hundred fifty-seven".