42772700363761 has 4 divisors (see below), whose sum is σ = 42772948578724. Its totient is φ = 42772452148800.

The previous prime is 42772700363749. The next prime is 42772700363779. The reversal of 42772700363761 is 16736300727724.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33034399973136 + 9738300390625 = 5747556^2 + 3120625^2 .

It is a cyclic number.

It is not a de Polignac number, because 42772700363761 - 2³¹ = 42770552880113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42772700363711) 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, 123848820 + ... + 124193701.

It is an arithmetic number, because the mean of its divisors is an integer number (10693237144681).

Almost surely, 2^{42772700363761} is an apocalyptic number.

It is an amenable number.

42772700363761 is a deficient number, since it is larger than the sum of its proper divisors (248214963).

42772700363761 is a wasteful number, since it uses less digits than its factorization.

42772700363761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248214962.

The product of its (nonzero) digits is 12446784, while the sum is 55.

The spelling of 42772700363761 in words is "forty-two trillion, seven hundred seventy-two billion, seven hundred million, three hundred sixty-three thousand, seven hundred sixty-one".