791477567986 has 16 divisors (see below), whose sum is σ = 1357864839936. Its totient is φ = 338943134016.

The previous prime is 791477567953. The next prime is 791477567987. The reversal of 791477567986 is 689765774197.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (791477567987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21776026 + ... + 21812341.

It is an arithmetic number, because the mean of its divisors is an integer number (84866552496).

Almost surely, 2^791477567986 is an apocalyptic number.

791477567986 is a deficient number, since it is larger than the sum of its proper divisors (566387271950).

791477567986 is a wasteful number, since it uses less digits than its factorization.

791477567986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43589673.

The product of its digits is 1120210560, while the sum is 76.

The spelling of 791477567986 in words is "seven hundred ninety-one billion, four hundred seventy-seven million, five hundred sixty-seven thousand, nine hundred eighty-six".