43052778427627 has 4 divisors (see below), whose sum is σ = 44441577731776. Its totient is φ = 41663979123480.

The previous prime is 43052778427621. The next prime is 43052778427639. The reversal of 43052778427627 is 72672487725034.

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 43052778427627 - 2³⁹ = 42503022613739 is a prime.

It is a super-2 number, since 2×43052778427627² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43052778427621) 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, 694399652028 + ... + 694399652089.

It is an arithmetic number, because the mean of its divisors is an integer number (11110394432944).

Almost surely, 2^{43052778427627} is an apocalyptic number.

43052778427627 is a deficient number, since it is larger than the sum of its proper divisors (1388799304149).

43052778427627 is a wasteful number, since it uses less digits than its factorization.

43052778427627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388799304148.

The product of its (nonzero) digits is 221276160, while the sum is 64.

The spelling of 43052778427627 in words is "forty-three trillion, fifty-two billion, seven hundred seventy-eight million, four hundred twenty-seven thousand, six hundred twenty-seven".