4226787571557 has 16 divisors (see below), whose sum is σ = 5653970823168. Its totient is φ = 2808737817600.

The previous prime is 4226787571547. The next prime is 4226787571619. The reversal of 4226787571557 is 7551757876224.

It is not a de Polignac number, because 4226787571557 - 2³⁴ = 4209607702373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4226787571547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1811932 + ... + 3425882.

It is an arithmetic number, because the mean of its divisors is an integer number (353373176448).

Almost surely, 2^{4226787571557} is an apocalyptic number.

It is an amenable number.

4226787571557 is a deficient number, since it is larger than the sum of its proper divisors (1427183251611).

4226787571557 is a wasteful number, since it uses less digits than its factorization.

4226787571557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616780.

The product of its digits is 230496000, while the sum is 66.

The spelling of 4226787571557 in words is "four trillion, two hundred twenty-six billion, seven hundred eighty-seven million, five hundred seventy-one thousand, five hundred fifty-seven".