979822651 has 4 divisors (see below), whose sum is σ = 980935704. Its totient is φ = 978709600.

The previous prime is 979822637. The next prime is 979822667. The reversal of 979822651 is 156228979.

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

It is a cyclic number.

It is not a de Polignac number, because 979822651 - 2⁵ = 979822619 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 979822595 and 979822604.

It is not an unprimeable number, because it can be changed into a prime (979822621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555205 + ... + 556966.

It is an arithmetic number, because the mean of its divisors is an integer number (245233926).

Almost surely, 2^979822651 is an apocalyptic number.

979822651 is a deficient number, since it is larger than the sum of its proper divisors (1113053).

979822651 is a wasteful number, since it uses less digits than its factorization.

979822651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113052.

The product of its digits is 544320, while the sum is 49.

The square root of 979822651 is about 31302.1189538344. The cubic root of 979822651 is about 993.2284668385.

The spelling of 979822651 in words is "nine hundred seventy-nine million, eight hundred twenty-two thousand, six hundred fifty-one".