77010016231 has 4 divisors (see below), whose sum is σ = 81063175000. Its totient is φ = 72956857464.

The previous prime is 77010016211. The next prime is 77010016289. The reversal of 77010016231 is 13261001077.

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 77010016231 - 2⁷ = 77010016103 is a prime.

It is a super-2 number, since 2×77010016231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 77010016231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77010016211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2026579356 + ... + 2026579393.

It is an arithmetic number, because the mean of its divisors is an integer number (20265793750).

Almost surely, 2^77010016231 is an apocalyptic number.

77010016231 is a deficient number, since it is larger than the sum of its proper divisors (4053158769).

77010016231 is a wasteful number, since it uses less digits than its factorization.

77010016231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4053158768.

The product of its (nonzero) digits is 1764, while the sum is 28.

The spelling of 77010016231 in words is "seventy-seven billion, ten million, sixteen thousand, two hundred thirty-one".