77079310231 has 8 divisors (see below), whose sum is σ = 96098880384. Its totient is φ = 60061800120.

The previous prime is 77079310123. The next prime is 77079310261. The reversal of 77079310231 is 13201397077.

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

It is not a de Polignac number, because 77079310231 - 2¹⁷ = 77079179159 is a prime.

It is a super-2 number, since 2×77079310231² (a number of 23 digits) 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 (77079310261) 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, 500514925 + ... + 500515078.

It is an arithmetic number, because the mean of its divisors is an integer number (12012360048).

Almost surely, 2^77079310231 is an apocalyptic number.

77079310231 is a deficient number, since it is larger than the sum of its proper divisors (19019570153).

77079310231 is a wasteful number, since it uses less digits than its factorization.

77079310231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001030021.

The product of its (nonzero) digits is 55566, while the sum is 40.

The spelling of 77079310231 in words is "seventy-seven billion, seventy-nine million, three hundred ten thousand, two hundred thirty-one".