56672105387 has 2 divisors, whose sum is σ = 56672105388. Its totient is φ = 56672105386.

The previous prime is 56672105383. The next prime is 56672105389. The reversal of 56672105387 is 78350127665.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56672105387 - 2² = 56672105383 is a prime.

Together with 56672105389, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56672105383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28336052693 + 28336052694.

It is an arithmetic number, because the mean of its divisors is an integer number (28336052694).

Almost surely, 2^56672105387 is an apocalyptic number.

56672105387 is a deficient number, since it is larger than the sum of its proper divisors (1).

56672105387 is an equidigital number, since it uses as much as digits as its factorization.

56672105387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2116800, while the sum is 50.

The spelling of 56672105387 in words is "fifty-six billion, six hundred seventy-two million, one hundred five thousand, three hundred eighty-seven".