56783787127 has 4 divisors (see below), whose sum is σ = 58104340360. Its totient is φ = 55463233896.

The previous prime is 56783787043. The next prime is 56783787133. The reversal of 56783787127 is 72178738765.

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 56783787127 - 2⁷ = 56783786999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56783787167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 660276552 + ... + 660276637.

It is an arithmetic number, because the mean of its divisors is an integer number (14526085090).

Almost surely, 2^56783787127 is an apocalyptic number.

56783787127 is a deficient number, since it is larger than the sum of its proper divisors (1320553233).

56783787127 is a wasteful number, since it uses less digits than its factorization.

56783787127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320553232.

The product of its digits is 27659520, while the sum is 61.

The spelling of 56783787127 in words is "fifty-six billion, seven hundred eighty-three million, seven hundred eighty-seven thousand, one hundred twenty-seven".