72831060777 has 8 divisors (see below), whose sum is σ = 97109328064. Its totient is φ = 48553417008.

The previous prime is 72831060773. The next prime is 72831060787. The reversal of 72831060777 is 77706013827.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72831060777 - 2² = 72831060773 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72831060773) by changing a digit.

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, 373683 + ... + 534135.

It is an arithmetic number, because the mean of its divisors is an integer number (12138666008).

Almost surely, 2^72831060777 is an apocalyptic number.

It is an amenable number.

72831060777 is a deficient number, since it is larger than the sum of its proper divisors (24278267287).

72831060777 is a wasteful number, since it uses less digits than its factorization.

72831060777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311759.

The product of its (nonzero) digits is 691488, while the sum is 48.

The spelling of 72831060777 in words is "seventy-two billion, eight hundred thirty-one million, sixty thousand, seven hundred seventy-seven".