43081777352 has 8 divisors (see below), whose sum is σ = 80778332550. Its totient is φ = 21540888672.

The previous prime is 43081777327. The next prime is 43081777363. The reversal of 43081777352 is 25377718034.

It can be written as a sum of positive squares in only one way, i.e., 42929353636 + 152423716 = 207194^2 + 12346^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 43081777297 and 43081777306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2692611077 + ... + 2692611092.

Almost surely, 2^43081777352 is an apocalyptic number.

It is an amenable number.

43081777352 is a deficient number, since it is larger than the sum of its proper divisors (37696555198).

43081777352 is a wasteful number, since it uses less digits than its factorization.

43081777352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5385222175 (or 5385222171 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 47.

The spelling of 43081777352 in words is "forty-three billion, eighty-one million, seven hundred seventy-seven thousand, three hundred fifty-two".