797797670 has 16 divisors (see below), whose sum is σ = 1437166368. Its totient is φ = 318867840.

The previous prime is 797797657. The next prime is 797797681. The reversal of 797797670 is 76797797.

It is a super-2 number, since 2×797797670² = 1272962244514857800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 17786 + ... + 43725.

It is an arithmetic number, because the mean of its divisors is an integer number (89822898).

Almost surely, 2^797797670 is an apocalyptic number.

797797670 is a deficient number, since it is larger than the sum of its proper divisors (639368698).

797797670 is a wasteful number, since it uses less digits than its factorization.

797797670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62815.

The product of its (nonzero) digits is 8168202, while the sum is 59.

The square root of 797797670 is about 28245.3123544421. The cubic root of 797797670 is about 927.4651246322.

The spelling of 797797670 in words is "seven hundred ninety-seven million, seven hundred ninety-seven thousand, six hundred seventy".