56770517576772 has 18 divisors (see below), whose sum is σ = 143503252763598. Its totient is φ = 18923505858912.

The previous prime is 56770517576659. The next prime is 56770517576777. The reversal of 56770517576772 is 27767571507765.

It is a happy number.

56770517576772 is a `hidden beast` number, since 56 + 7 + 7 + 0 + 517 + 57 + 6 + 7 + 7 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 34669085698116 + 22101431878656 = 5888046^2 + 4701216^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 56770517576772.

It is not an unprimeable number, because it can be changed into a prime (56770517576777) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 788479410753 + ... + 788479410824.

It is an arithmetic number, because the mean of its divisors is an integer number (7972402931311).

Almost surely, 2^{56770517576772} is an apocalyptic number.

It is an amenable number.

56770517576772 is an abundant number, since it is smaller than the sum of its proper divisors (86732735186826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56770517576772 is a wasteful number, since it uses less digits than its factorization.

56770517576772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576958821587 (or 1576958821582 counting only the distinct ones).

The product of its (nonzero) digits is 1058841000, while the sum is 72.

The spelling of 56770517576772 in words is "fifty-six trillion, seven hundred seventy billion, five hundred seventeen million, five hundred seventy-six thousand, seven hundred seventy-two".