797719007 has 4 divisors (see below), whose sum is σ = 805037640. Its totient is φ = 790400376.

The previous prime is 797719003. The next prime is 797719019. The reversal of 797719007 is 700917797.

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 797719007 - 2² = 797719003 is a prime.

It is a super-2 number, since 2×797719007² = 1272711228258132098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797719003) 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 3 ways as a sum of consecutive naturals, for example, 3659153 + ... + 3659370.

It is an arithmetic number, because the mean of its divisors is an integer number (201259410).

Almost surely, 2^797719007 is an apocalyptic number.

797719007 is a deficient number, since it is larger than the sum of its proper divisors (7318633).

797719007 is a wasteful number, since it uses less digits than its factorization.

797719007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7318632.

The product of its (nonzero) digits is 194481, while the sum is 47.

The square root of 797719007 is about 28243.9198235656. The cubic root of 797719007 is about 927.4346408852.

The spelling of 797719007 in words is "seven hundred ninety-seven million, seven hundred nineteen thousand, seven".