797980667 has 16 divisors (see below), whose sum is σ = 889986528. Its totient is φ = 709313280.

The previous prime is 797980657. The next prime is 797980669. The reversal of 797980667 is 766089797.

It is a cyclic number.

It is not a de Polignac number, because 797980667 - 2¹⁴ = 797964283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (797980669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180293 + ... + 184665.

It is an arithmetic number, because the mean of its divisors is an integer number (55624158).

Almost surely, 2^797980667 is an apocalyptic number.

797980667 is a deficient number, since it is larger than the sum of its proper divisors (92005861).

797980667 is a wasteful number, since it uses less digits than its factorization.

797980667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4750.

The product of its (nonzero) digits is 8001504, while the sum is 59.

The square root of 797980667 is about 28248.5515911878. The cubic root of 797980667 is about 927.5360324854.

The spelling of 797980667 in words is "seven hundred ninety-seven million, nine hundred eighty thousand, six hundred sixty-seven".