797651899 has 16 divisors (see below), whose sum is σ = 893260800. Its totient is φ = 706052160.

The previous prime is 797651887. The next prime is 797651927. The reversal of 797651899 is 998156797.

It is not a de Polignac number, because 797651899 - 2²³ = 789263291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (797651819) 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, 99007 + ... + 106759.

It is an arithmetic number, because the mean of its divisors is an integer number (55828800).

Almost surely, 2^797651899 is an apocalyptic number.

797651899 is a deficient number, since it is larger than the sum of its proper divisors (95608901).

797651899 is a wasteful number, since it uses less digits than its factorization.

797651899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8010.

The product of its digits is 8573040, while the sum is 61.

The square root of 797651899 is about 28242.7317906749. The cubic root of 797651899 is about 927.4086333860.

The spelling of 797651899 in words is "seven hundred ninety-seven million, six hundred fifty-one thousand, eight hundred ninety-nine".