77995467268 has 48 divisors (see below), whose sum is σ = 142150909824. Its totient is φ = 37417121280.

The previous prime is 77995467227. The next prime is 77995467287. The reversal of 77995467268 is 86276459977.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 77995467197 and 77995467206.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3371196 + ... + 3394252.

It is an arithmetic number, because the mean of its divisors is an integer number (2961477288).

Almost surely, 2^77995467268 is an apocalyptic number.

It is an amenable number.

77995467268 is a deficient number, since it is larger than the sum of its proper divisors (64155442556).

77995467268 is a wasteful number, since it uses less digits than its factorization.

77995467268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23452 (or 23450 counting only the distinct ones).

The product of its digits is 320060160, while the sum is 70.

The spelling of 77995467268 in words is "seventy-seven billion, nine hundred ninety-five million, four hundred sixty-seven thousand, two hundred sixty-eight".