77264127848 has 16 divisors (see below), whose sum is σ = 145158259680. Its totient is φ = 38555258608.

The previous prime is 77264127841. The next prime is 77264127923. The reversal of 77264127848 is 84872146277.

It is a super-2 number, since 2×77264127848² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 77264127793 and 77264127802.

It is not an unprimeable number, because it can be changed into a prime (77264127841) 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 3 ways as a sum of consecutive naturals, for example, 9596390 + ... + 9604437.

It is an arithmetic number, because the mean of its divisors is an integer number (9072391230).

Almost surely, 2^77264127848 is an apocalyptic number.

It is an amenable number.

77264127848 is a deficient number, since it is larger than the sum of its proper divisors (67894131832).

77264127848 is a wasteful number, since it uses less digits than its factorization.

77264127848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19201336 (or 19201332 counting only the distinct ones).

The product of its digits is 8429568, while the sum is 56.

The spelling of 77264127848 in words is "seventy-seven billion, two hundred sixty-four million, one hundred twenty-seven thousand, eight hundred forty-eight".