77152444256 has 48 divisors (see below), whose sum is σ = 152691367248. Its totient is φ = 38374080000.

The previous prime is 77152444217. The next prime is 77152444279. The reversal of 77152444256 is 65244425177.

It is a self number, because there is not a number n which added to its sum of digits gives 77152444256.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6845666 + ... + 6856926.

It is an arithmetic number, because the mean of its divisors is an integer number (3181070151).

Almost surely, 2^77152444256 is an apocalyptic number.

It is an amenable number.

77152444256 is a deficient number, since it is larger than the sum of its proper divisors (75538922992).

77152444256 is a wasteful number, since it uses less digits than its factorization.

77152444256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12375 (or 12367 counting only the distinct ones).

The product of its digits is 1881600, while the sum is 47.

The spelling of 77152444256 in words is "seventy-seven billion, one hundred fifty-two million, four hundred forty-four thousand, two hundred fifty-six".